diff options
author | Gregory Nutt <gnutt@nuttx.org> | 2014-02-18 12:51:36 -0600 |
---|---|---|
committer | Gregory Nutt <gnutt@nuttx.org> | 2014-02-18 12:51:36 -0600 |
commit | 2f49cca8d1c256c9c3f33a70de98dbf68c2414e3 (patch) | |
tree | d6819266ae96dd0d0423578cd5f425a8e5a5f462 /misc/buildroot | |
parent | 505e4af4af4950b5e6c5533b33039b5cd4fed9ab (diff) | |
download | px4-nuttx-2f49cca8d1c256c9c3f33a70de98dbf68c2414e3.tar.gz px4-nuttx-2f49cca8d1c256c9c3f33a70de98dbf68c2414e3.tar.bz2 px4-nuttx-2f49cca8d1c256c9c3f33a70de98dbf68c2414e3.zip |
Buildroot support for GCC 4.7.3 and for Cortex-M4 with hardware floating point from David Alessio
Diffstat (limited to 'misc/buildroot')
11 files changed, 1551 insertions, 2 deletions
diff --git a/misc/buildroot/ChangeLog b/misc/buildroot/ChangeLog index 497380d15..69eccd948 100644 --- a/misc/buildroot/ChangeLog +++ b/misc/buildroot/ChangeLog @@ -142,3 +142,7 @@ buildroot-1.13 2011-01-29 <gnutt@nuttx.org> * Bring-in support for GCC 4.8.2 from the "real" buildroot (2013-12-26). buildroot-1.14 2011-xx-xx <gnutt@nuttx.org> + + * Support for the GCC 4.7.3 compiler from David Alession (2014-2-18) + * Support for the Cortex-M4F (with hardware floating point). Also from + David Alessio (2014-2-18). diff --git a/misc/buildroot/Config.in b/misc/buildroot/Config.in index 2de4e570c..192a456f0 100644 --- a/misc/buildroot/Config.in +++ b/misc/buildroot/Config.in @@ -100,6 +100,10 @@ config BR2_cortex_a8 config BR2_cortex_m3 bool "Cortex-M3/M4" select BR2_GCC_CORTEX +config BR2_cortex_m4f + bool "Cortex-M4F" + select BR2_GCC_CORTEX + select BR2_GCC_CORTEX_M4F config BR2_cortex_m0 bool "Cortex-M0" select BR2_GCC_CORTEX @@ -117,6 +121,10 @@ config BR2_GCC_CORTEX bool default n +config BR2_GCC_CORTEX_M4F + bool + default n + choice prompt "Target ABI" depends BR2_arm || BR2_armeb @@ -233,6 +241,7 @@ config BR2_GCC_TARGET_TUNE default cortex-a5 if BR2_cortex_a5 default cortex-a8 if BR2_cortex_a8 default cortex-m3 if BR2_cortex_m3 + default cortex-m4 if BR2_cortex_m4f default cortex-m0 if BR2_cortex_m0 default strongarm110 if BR2_sa110 default strongarm1100 if BR2_sa1100 @@ -251,8 +260,8 @@ config BR2_GCC_TARGET_ARCH default armv4t if BR2_arm720t || BR2_arm920t || BR2_arm922t default armv5te if BR2_arm926t || BR2_arm10t || BR2_xscale default armv6j if BR2_arm1136jf_s - default armv7-a if BR2_cortex_a5 || BR_cortex_a8 - default armv7-m if BR2_cortex_m3 + default armv7-a if BR2_cortex_a5 || BR2_cortex_a8 + default armv7-m if BR2_cortex_m3 || BR2_cortex_m4f default armv6-m if BR2_cortex_m0 default iwmmxt if BR2_iwmmxt diff --git a/misc/buildroot/configs/cortexm4f-eabi-defconfig-4.7.3 b/misc/buildroot/configs/cortexm4f-eabi-defconfig-4.7.3 new file mode 100644 index 000000000..161a690ac --- /dev/null +++ b/misc/buildroot/configs/cortexm4f-eabi-defconfig-4.7.3 @@ -0,0 +1,137 @@ +# +# Automatically generated make config: don't edit +# +BR2_HAVE_DOT_CONFIG=y +# BR2_alpha is not set +BR2_arm=y +# BR2_armeb is not set +# BR2_avr is not set +# BR2_avr32 is not set +# BR2_bfin is not set +# BR2_cris is not set +# BR2_i386 is not set +# BR2_m32c is not set +# BR2_m68k is not set +# BR2_m68hc11 is not set +# BR2_m68hc12 is not set +# BR2_m9s12x is not set +# BR2_mips is not set +# BR2_mipsel is not set +# BR2_nios2 is not set +# BR2_powerpc is not set +# BR2_sh is not set +# BR2_sh64 is not set +# BR2_h8300 is not set +# BR2_sparc is not set +# BR2_x86_64 is not set +# BR2_generic_arm is not set +# BR2_arm610 is not set +# BR2_arm7tdmi is not set +# BR2_arm710 is not set +# BR2_arm720t is not set +# BR2_arm740t is not set +# BR2_arm920t is not set +# BR2_arm922t is not set +# BR2_arm926t is not set +# BR2_arm1136jf_s is not set +# BR2_cortex_a5 is not set +# BR2_cortex_a8 is not set +# BR2_cortex_m3 is not set +BR2_cortex_m4f=y +# BR2_cortex_m0 is not set +# BR2_sa110 is not set +# BR2_sa1100 is not set +# BR2_xscale is not set +# BR2_iwmmxt is not set +BR2_GCC_CORTEX=y +BR2_GCC_CORTEX_M4F=y +# BR2_ARM_OABI is not set +BR2_ARM_EABI=y +BR2_ARCH="arm" +BR2_GCC_TARGET_TUNE="cortex-m4" +BR2_GCC_TARGET_ARCH="armv7-m" +BR2_GCC_TARGET_ABI="aapcs-linux" +BR2_ENDIAN="LITTLE" + +# +# Build options +# +BR2_WGET="wget --passive-ftp" +BR2_SVN="svn co" +BR2_ZCAT="zcat" +BR2_BZCAT="bzcat" +BR2_TAR_OPTIONS="" +BR2_DL_DIR="$(BASE_DIR)/dl" +BR2_STAGING_DIR="$(BUILD_DIR)/staging_dir" +BR2_NUTTX_DIR="$(TOPDIR)/../../nuttx" +BR2_TOPDIR_PREFIX="" +BR2_TOPDIR_SUFFIX="" +BR2_GNU_BUILD_SUFFIX="pc-elf" +BR2_GNU_TARGET_SUFFIX="nuttx-eabi" +BR2_PREFER_IMA=y + +# +# Toolchain Options +# + +# +# Binutils Options +# +# BR2_BINUTILS_VERSION_2_17 is not set +# BR2_BINUTILS_VERSION_2_18 is not set +# BR2_BINUTILS_VERSION_2_19 is not set +# BR2_BINUTILS_VERSION_2_19_1 is not set +# BR2_BINUTILS_VERSION_2_21_1 is not set +# BR2_BINUTILS_VERSION_2_22 is not set +BR2_BINUTILS_VERSION_2_24=y +BR2_BINUTILS_VERSION="2.24" +BR2_EXTRA_BINUTILS_CONFIG_OPTIONS="" + +# +# GCC Options +# +BR2_PACKAGE_GCC=y +# BR2_GCC_VERSION_3_3_6 is not set +# BR2_GCC_VERSION_3_4_6 is not set +# BR2_GCC_VERSION_4_2_4 is not set +# BR2_GCC_VERSION_4_3_3 is not set +# BR2_GCC_VERSION_4_5_2 is not set +# BR2_GCC_VERSION_4_6_3 is not set +BR2_GCC_VERSION_4_7_3=y +# BR2_GCC_VERSION_4_8_2 is not set +BR2_GCC_SUPPORTS_SYSROOT=y +BR2_GCC_VERSION="4.7.3" +# BR2_GCC_USE_SJLJ_EXCEPTIONS is not set +BR2_EXTRA_GCC_CONFIG_OPTIONS="" +BR2_INSTALL_LIBSTDCPP=y +# BR2_INSTALL_LIBGCJ is not set +# BR2_INSTALL_OBJC is not set +# BR2_INSTALL_FORTRAN is not set + +# +# Gdb Options +# +# BR2_PACKAGE_GDB is not set +# BR2_PACKAGE_GDB_SERVER is not set +BR2_PACKAGE_GDB_HOST=y +# BR2_GDB_VERSION_6_3 is not set +# BR2_GDB_VERSION_6_4 is not set +# BR2_GDB_VERSION_6_8 is not set +BR2_GDB_VERSION_7_4_1=y +BR2_GDB_VERSION="7.4.1" + +# +# NuttX Binary Support +# +# BR2_PACKAGE_NXFLAT is not set +BR2_PACKAGE_GENROMFS=y + +# +# Common Toolchain Options +# +# BR2_PACKAGE_SSTRIP_TARGET is not set +# BR2_PACKAGE_SSTRIP_HOST is not set +# BR2_ENABLE_MULTILIB is not set +BR2_LARGEFILE=y +# BR2_SOFT_FLOAT is not set +BR2_TARGET_OPTIMIZATION="-Os -pipe" diff --git a/misc/buildroot/toolchain/gcc/4.7.3/305-libmudflap-susv3-legacy.patch b/misc/buildroot/toolchain/gcc/4.7.3/305-libmudflap-susv3-legacy.patch new file mode 100644 index 000000000..374b1f865 --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/305-libmudflap-susv3-legacy.patch @@ -0,0 +1,49 @@ +Index: gcc-4.2/libmudflap/mf-hooks2.c +=================================================================== +--- gcc-4.2/libmudflap/mf-hooks2.c (revision 119834) ++++ gcc-4.2/libmudflap/mf-hooks2.c (working copy) +@@ -427,7 +427,7 @@ + { + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, n, __MF_CHECK_WRITE, "bzero region"); +- bzero (s, n); ++ memset (s, 0, n); + } + + +@@ -437,7 +437,7 @@ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(src, n, __MF_CHECK_READ, "bcopy src"); + MF_VALIDATE_EXTENT(dest, n, __MF_CHECK_WRITE, "bcopy dest"); +- bcopy (src, dest, n); ++ memmove (dest, src, n); + } + + +@@ -447,7 +447,7 @@ + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s1, n, __MF_CHECK_READ, "bcmp 1st arg"); + MF_VALIDATE_EXTENT(s2, n, __MF_CHECK_READ, "bcmp 2nd arg"); +- return bcmp (s1, s2, n); ++ return n == 0 ? 0 : memcmp (s1, s2, n); + } + + +@@ -456,7 +456,7 @@ + size_t n = strlen (s); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "index region"); +- return index (s, c); ++ return strchr (s, c); + } + + +@@ -465,7 +465,7 @@ + size_t n = strlen (s); + TRACE ("%s\n", __PRETTY_FUNCTION__); + MF_VALIDATE_EXTENT(s, CLAMPADD(n, 1), __MF_CHECK_READ, "rindex region"); +- return rindex (s, c); ++ return strrchr (s, c); + } + + /* XXX: stpcpy, memccpy */ diff --git a/misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch b/misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch new file mode 100644 index 000000000..a3d7db014 --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch @@ -0,0 +1,25 @@ +--- a/gcc/config/arm/linux-elf.h ++++ b/gcc/config/arm/linux-elf.h +@@ -57,7 +57,7 @@ + %{shared:-lc} \ + %{!shared:%{profile:-lc_p}%{!profile:-lc}}" + +-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc" ++#define LIBGCC_SPEC "-lgcc" + + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" + +--- a/libgcc/config/arm/t-linux ++++ b/libgcc/config/arm/t-linux +@@ -1,6 +1,10 @@ + LIB1ASMSRC = arm/lib1funcs.S + LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \ +- _arm_addsubdf3 _arm_addsubsf3 ++ _arm_addsubdf3 _arm_addsubsf3 \ ++ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \ ++ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \ ++ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \ ++ _arm_fixsfsi _arm_fixunssfsi + + # Just for these, we omit the frame pointer since it makes such a big + # difference. diff --git a/misc/buildroot/toolchain/gcc/4.7.3/830-arm_unbreak_armv4t.patch b/misc/buildroot/toolchain/gcc/4.7.3/830-arm_unbreak_armv4t.patch new file mode 100644 index 000000000..37f8f2a54 --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/830-arm_unbreak_armv4t.patch @@ -0,0 +1,13 @@ +http://sourceware.org/ml/crossgcc/2008-05/msg00009.html + +--- a/gcc/config/arm/linux-eabi.h ++++ b/gcc/config/arm/linux-eabi.h +@@ -45,7 +45,7 @@ + The ARM10TDMI core is the default for armv5t, so set + SUBTARGET_CPU_DEFAULT to achieve this. */ + #undef SUBTARGET_CPU_DEFAULT +-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi ++#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi + + /* TARGET_BIG_ENDIAN_DEFAULT is set in + config.gcc for big endian configurations. */ diff --git a/misc/buildroot/toolchain/gcc/4.7.3/900-nuttx-nolibstdc.patch b/misc/buildroot/toolchain/gcc/4.7.3/900-nuttx-nolibstdc.patch new file mode 100644 index 000000000..5628646a6 --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/900-nuttx-nolibstdc.patch @@ -0,0 +1,13 @@ +--- gcc-4.5.2/configure.orig 2011-04-28 17:25:37.091035400 -0600 ++++ gcc-4.5.2/configure 2011-04-28 17:26:26.868332200 -0600 +@@ -3741,6 +3741,10 @@ + ;; + esac + ++# If we are building against NuttX, then don't attempt to build libstdc++ ++# (should be conditioned on --with-nuttx) ++noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3" ++ + # If we aren't building newlib, then don't build libgloss, since libgloss + # depends upon some newlib header files. + case "${noconfigdirs}" in diff --git a/misc/buildroot/toolchain/gcc/4.7.3/910-Avoid-build-failures-from-Link-tests-are-not-allowed-after-GCC_NO_EXECUTABLES.patch.libstdc++ b/misc/buildroot/toolchain/gcc/4.7.3/910-Avoid-build-failures-from-Link-tests-are-not-allowed-after-GCC_NO_EXECUTABLES.patch.libstdc++ new file mode 100644 index 000000000..c93849f0e --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/910-Avoid-build-failures-from-Link-tests-are-not-allowed-after-GCC_NO_EXECUTABLES.patch.libstdc++ @@ -0,0 +1,1147 @@ +diff --git a/patches/gcc/4.6.3/101-fix-no-executables.patch b/patches/gcc/4.6.3/101-fix-no-executables.patch +new file mode 100644 +index 0000000..13a68ef +--- /dev/null ++++ b/patches/gcc/4.6.3/101-fix-no-executables.patch +@@ -0,0 +1,1141 @@ ++At some point the libstdc++ library configure script added a test for cross ++compiling, if so it disables all configure time compiler-link tests on the ++premis that the tool chain cannot link. ++ ++In the crosstool-ng case, with at least glibc/eglibc, the libstdc++ build is ++done at the very end after a full libc is installed and all the start files ++are valid. The compiler can link, so take the test out of the libstdc++ ++configure. ++ ++Two reasons ++ 1) The libstdc++ configure has a hackish work around path for the no link case, ++ we don't want to use it unless *absolutely* necessary ++ 2) Some systems will hit this error: ++ checking dynamic linker characteristics... configure: error: Link tests are not allowed after GCC_NO_EXECUTABLES. ++ Which is due to the usage of libtool triggering a link test. ++ ++diff -u gcc-4.6.3.orig/libstdc++-v3/configure.ac gcc-4.6.3/libstdc++-v3/configure.ac ++--- gcc-4.6.3.orig/libstdc++-v3/configure.ac 2012-09-17 22:45:33.966110989 -0600 +++++ gcc-4.6.3/libstdc++-v3/configure.ac 2012-09-17 22:46:11.543201561 -0600 ++@@ -52,7 +52,8 @@ ++ ;; ++ ++ *) ++- GCC_NO_EXECUTABLES +++# GCC_NO_EXECUTABLES +++ GLIBCXX_IS_NATIVE=true ++ ;; ++ esac ++ else ++--- gcc-4.6.3.orig/libstdc++-v3/configure 2012-09-18 00:00:24.449933919 -0600 +++++ gcc-4.6.3/libstdc++-v3/configure 2012-09-18 00:00:35.190244290 -0600 ++@@ -1913,10 +1913,7 @@ ++ if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then : ++ $as_echo_n "(cached) " >&6 ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ /* Define $2 to an innocuous variant, in case <limits.h> declares $2. ++ For example, HP-UX 11i <limits.h> declares gettimeofday. */ ++@@ -3034,7 +3031,8 @@ ++ ;; ++ ++ *) ++- +++# GCC_NO_EXECUTABLES +++ GLIBCXX_IS_NATIVE=true ++ ;; ++ esac ++ else ++@@ -3869,34 +3867,6 @@ ++ return 0; ++ } ++ _ACEOF ++-# FIXME: Cleanup? ++-if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 ++- (eval $ac_link) 2>&5 ++- ac_status=$? ++- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 ++- test $ac_status = 0; }; then : ++- gcc_no_link=no ++-else ++- gcc_no_link=yes ++-fi ++-if test x$gcc_no_link = xyes; then ++- # Setting cross_compile will disable run tests; it will ++- # also disable AC_CHECK_FILE but that's generally ++- # correct if we can't link. ++- cross_compiling=yes ++- EXEEXT= ++-else ++- cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++-/* end confdefs.h. */ ++- ++-int ++-main () ++-{ ++- ++- ; ++- return 0; ++-} ++-_ACEOF ++ ac_clean_files_save=$ac_clean_files ++ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out conftest.out" ++ # Try to create an executable without -o first, disregard a.out. ++@@ -4060,7 +4030,6 @@ ++ rm -f conftest.$ac_ext ++ EXEEXT=$ac_cv_exeext ++ ac_exeext=$EXEEXT ++-fi ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 ++ $as_echo_n "checking for suffix of object files... " >&6; } ++ if test "${ac_cv_objext+set}" = set; then : ++@@ -7158,10 +7127,7 @@ ++ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ++ ac_compiler_gnu=$ac_cv_c_compiler_gnu ++ ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -7747,10 +7713,7 @@ ++ save_LDFLAGS=$LDFLAGS ++ echo "_main" > conftest.sym ++ LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -9514,10 +9477,7 @@ ++ allow_undefined_flag='-berok' ++ # Determine the default libpath from the value encoded in an ++ # empty executable. ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -9557,10 +9517,7 @@ ++ else ++ # Determine the default libpath from the value encoded in an ++ # empty executable. ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -9843,10 +9800,7 @@ ++ # implicitly export all symbols. ++ save_LDFLAGS="$LDFLAGS" ++ LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int foo(void) {} ++ _ACEOF ++@@ -10796,10 +10750,7 @@ ++ save_libdir=$libdir ++ eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ ++ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -11216,9 +11167,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-ldl $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -11272,9 +11220,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-ldld $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -11318,9 +11263,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-ldl $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -11360,9 +11302,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lsvld $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -11402,9 +11341,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-ldld $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -11484,7 +11420,7 @@ ++ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 ++ lt_status=$lt_dlunknown ++ cat > conftest.$ac_ext <<_LT_EOF ++-#line 11487 "configure" +++#line 11423 "configure" ++ #include "confdefs.h" ++ ++ #if HAVE_DLFCN_H ++@@ -11590,7 +11526,7 @@ ++ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 ++ lt_status=$lt_dlunknown ++ cat > conftest.$ac_ext <<_LT_EOF ++-#line 11593 "configure" +++#line 11529 "configure" ++ #include "confdefs.h" ++ ++ #if HAVE_DLFCN_H ++@@ -12328,10 +12264,7 @@ ++ allow_undefined_flag_CXX='-berok' ++ # Determine the default libpath from the value encoded in an empty ++ # executable. ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -12372,10 +12305,7 @@ ++ else ++ # Determine the default libpath from the value encoded in an ++ # empty executable. ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -14479,10 +14409,7 @@ ++ save_libdir=$libdir ++ eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \ ++ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\"" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -14948,7 +14875,7 @@ ++ # ++ # Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style. ++ cat > conftest.$ac_ext << EOF ++-#line 14951 "configure" +++#line 14878 "configure" ++ struct S { ~S(); }; ++ void bar(); ++ void foo() ++@@ -15128,10 +15055,7 @@ ++ $as_echo_n "(cached) " >&6 ++ else ++ ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -15174,10 +15098,7 @@ ++ $as_echo_n "(cached) " >&6 ++ else ++ ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -15220,10 +15141,7 @@ ++ $as_echo_n "(cached) " >&6 ++ else ++ ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -15266,10 +15184,7 @@ ++ $as_echo_n "(cached) " >&6 ++ else ++ ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -15316,7 +15231,7 @@ ++ # Fake what AC_TRY_COMPILE does. ++ ++ cat > conftest.$ac_ext << EOF ++-#line 15319 "configure" +++#line 15234 "configure" ++ int main() ++ { ++ typedef bool atomic_type; ++@@ -15353,7 +15268,7 @@ ++ rm -f conftest* ++ ++ cat > conftest.$ac_ext << EOF ++-#line 15356 "configure" +++#line 15271 "configure" ++ int main() ++ { ++ typedef short atomic_type; ++@@ -15390,7 +15305,7 @@ ++ rm -f conftest* ++ ++ cat > conftest.$ac_ext << EOF ++-#line 15393 "configure" +++#line 15308 "configure" ++ int main() ++ { ++ // NB: _Atomic_word not necessarily int. ++@@ -15428,7 +15343,7 @@ ++ rm -f conftest* ++ ++ cat > conftest.$ac_ext << EOF ++-#line 15431 "configure" +++#line 15346 "configure" ++ int main() ++ { ++ typedef long long atomic_type; ++@@ -15504,7 +15419,7 @@ ++ # unnecessary for this test. ++ ++ cat > conftest.$ac_ext << EOF ++-#line 15507 "configure" +++#line 15422 "configure" ++ int main() ++ { ++ _Decimal32 d1; ++@@ -15957,10 +15872,7 @@ ++ ac_res=-l$ac_lib ++ LIBS="-l$ac_lib $ac_func_search_save_LIBS" ++ fi ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-if ac_fn_c_try_link "$LINENO"; then : +++ if ac_fn_c_try_link "$LINENO"; then : ++ ac_cv_search_gettext=$ac_res ++ fi ++ rm -f core conftest.err conftest.$ac_objext \ ++@@ -16368,9 +16280,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -16454,10 +16363,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <math.h> ++ volatile double d1, d2; ++@@ -16605,10 +16511,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <complex.h> ++ typedef __complex__ float float_type; ++@@ -16719,10 +16622,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdio.h> ++ #include <stdarg.h> ++@@ -16797,10 +16697,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ volatile float f; ++@@ -17802,10 +17699,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <unistd.h> ++ #include <stdio.h> ++@@ -17906,10 +17800,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <poll.h> ++ int ++@@ -17988,10 +17879,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <sys/stat.h> ++ int ++@@ -18040,10 +17928,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <sys/stat.h> ++ int ++@@ -18142,10 +18027,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <sys/uio.h> ++ int ++@@ -18851,10 +18733,7 @@ ++ fi ++ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ++ else ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <sys/time.h> ++ int ++@@ -18963,10 +18842,7 @@ ++ ac_res=-l$ac_lib ++ LIBS="-l$ac_lib $ac_func_search_save_LIBS" ++ fi ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-if ac_fn_cxx_try_link "$LINENO"; then : +++ if ac_fn_cxx_try_link "$LINENO"; then : ++ ac_cv_search_clock_gettime=$ac_res ++ fi ++ rm -f core conftest.err conftest.$ac_objext \ ++@@ -19022,10 +18898,7 @@ ++ ac_res=-l$ac_lib ++ LIBS="-l$ac_lib $ac_func_search_save_LIBS" ++ fi ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-if ac_fn_cxx_try_link "$LINENO"; then : +++ if ac_fn_cxx_try_link "$LINENO"; then : ++ ac_cv_search_nanosleep=$ac_res ++ fi ++ rm -f core conftest.err conftest.$ac_objext \ ++@@ -19082,10 +18955,7 @@ ++ ac_res=-l$ac_lib ++ LIBS="-l$ac_lib $ac_func_search_save_LIBS" ++ fi ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-if ac_fn_cxx_try_link "$LINENO"; then : +++ if ac_fn_cxx_try_link "$LINENO"; then : ++ ac_cv_search_clock_gettime=$ac_res ++ fi ++ rm -f core conftest.err conftest.$ac_objext \ ++@@ -19141,10 +19011,7 @@ ++ ac_res=-l$ac_lib ++ LIBS="-l$ac_lib $ac_func_search_save_LIBS" ++ fi ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-if ac_fn_cxx_try_link "$LINENO"; then : +++ if ac_fn_cxx_try_link "$LINENO"; then : ++ ac_cv_search_nanosleep=$ac_res ++ fi ++ rm -f core conftest.err conftest.$ac_objext \ ++@@ -19211,10 +19078,7 @@ ++ ac_res=-l$ac_lib ++ LIBS="-l$ac_lib $ac_func_search_save_LIBS" ++ fi ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-if ac_fn_cxx_try_link "$LINENO"; then : +++ if ac_fn_cxx_try_link "$LINENO"; then : ++ ac_cv_search_sched_yield=$ac_res ++ fi ++ rm -f core conftest.err conftest.$ac_objext \ ++@@ -19280,10 +19144,7 @@ ++ if test x"$ac_has_unistd_h" = x"yes"; then ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for monotonic clock" >&5 ++ $as_echo_n "checking for monotonic clock... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <unistd.h> ++ #include <time.h> ++@@ -19313,10 +19174,7 @@ ++ ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for realtime clock" >&5 ++ $as_echo_n "checking for realtime clock... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <unistd.h> ++ #include <time.h> ++@@ -19346,10 +19204,7 @@ ++ ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nanosleep" >&5 ++ $as_echo_n "checking for nanosleep... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <unistd.h> ++ #include <time.h> ++@@ -19721,10 +19576,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -19804,9 +19656,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -25501,10 +25350,7 @@ ++ else ++ ++ if test "$cross_compiling" = yes; then : ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ __thread int a; int b; int main() { return a = b; } ++ _ACEOF ++@@ -25517,18 +25363,12 @@ ++ esac ++ chktls_save_CFLAGS="$CFLAGS" ++ CFLAGS="-fPIC $CFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int f() { return 0; } ++ _ACEOF ++ if ac_fn_c_try_link "$LINENO"; then : ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ __thread int a; int b; int f() { return a = b; } ++ _ACEOF ++@@ -25561,10 +25401,7 @@ ++ if ac_fn_c_try_run "$LINENO"; then : ++ chktls_save_LDFLAGS="$LDFLAGS" ++ LDFLAGS="-static $LDFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int main() { return 0; } ++ _ACEOF ++@@ -25599,10 +25436,7 @@ ++ thread_CFLAGS=failed ++ for flag in '' '-pthread' '-lpthread'; do ++ CFLAGS="$flag $chktls_save_CFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <pthread.h> ++ void *g(void *d) { return NULL; } ++@@ -26268,10 +26102,7 @@ ++ ++ am_cv_func_iconv="no, consider installing GNU libiconv" ++ am_cv_lib_iconv=no ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ #include <iconv.h> ++@@ -26293,10 +26124,7 @@ ++ if test "$am_cv_func_iconv" != yes; then ++ am_save_LIBS="$LIBS" ++ LIBS="$LIBS $LIBICONV" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ #include <iconv.h> ++@@ -26623,10 +26451,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -26706,9 +26531,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -32438,10 +32260,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -32521,9 +32340,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -38208,10 +38024,7 @@ ++ ++ am_cv_func_iconv="no, consider installing GNU libiconv" ++ am_cv_lib_iconv=no ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ #include <iconv.h> ++@@ -38233,10 +38046,7 @@ ++ if test "$am_cv_func_iconv" != yes; then ++ am_save_LIBS="$LIBS" ++ LIBS="$LIBS $LIBICONV" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ #include <iconv.h> ++@@ -38351,9 +38161,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -44083,10 +43890,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -44297,10 +44101,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -44439,10 +44240,7 @@ ++ else ++ ++ if test "$cross_compiling" = yes; then : ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ __thread int a; int b; int main() { return a = b; } ++ _ACEOF ++@@ -44455,18 +44253,12 @@ ++ esac ++ chktls_save_CFLAGS="$CFLAGS" ++ CFLAGS="-fPIC $CFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int f() { return 0; } ++ _ACEOF ++ if ac_fn_c_try_link "$LINENO"; then : ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ __thread int a; int b; int f() { return a = b; } ++ _ACEOF ++@@ -44499,10 +44291,7 @@ ++ if ac_fn_c_try_run "$LINENO"; then : ++ chktls_save_LDFLAGS="$LDFLAGS" ++ LDFLAGS="-static $LDFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int main() { return 0; } ++ _ACEOF ++@@ -44537,10 +44326,7 @@ ++ thread_CFLAGS=failed ++ for flag in '' '-pthread' '-lpthread'; do ++ CFLAGS="$flag $chktls_save_CFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <pthread.h> ++ void *g(void *d) { return NULL; } ++@@ -44772,10 +44558,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -44855,9 +44638,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -50524,10 +50304,7 @@ ++ else ++ ++ if test "$cross_compiling" = yes; then : ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ __thread int a; int b; int main() { return a = b; } ++ _ACEOF ++@@ -50540,18 +50317,12 @@ ++ esac ++ chktls_save_CFLAGS="$CFLAGS" ++ CFLAGS="-fPIC $CFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int f() { return 0; } ++ _ACEOF ++ if ac_fn_c_try_link "$LINENO"; then : ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ __thread int a; int b; int f() { return a = b; } ++ _ACEOF ++@@ -50584,10 +50355,7 @@ ++ if ac_fn_c_try_run "$LINENO"; then : ++ chktls_save_LDFLAGS="$LDFLAGS" ++ LDFLAGS="-static $LDFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int main() { return 0; } ++ _ACEOF ++@@ -50622,10 +50390,7 @@ ++ thread_CFLAGS=failed ++ for flag in '' '-pthread' '-lpthread'; do ++ CFLAGS="$flag $chktls_save_CFLAGS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <pthread.h> ++ void *g(void *d) { return NULL; } ++@@ -50748,10 +50513,7 @@ ++ ++ am_cv_func_iconv="no, consider installing GNU libiconv" ++ am_cv_lib_iconv=no ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ #include <iconv.h> ++@@ -50773,10 +50535,7 @@ ++ if test "$am_cv_func_iconv" != yes; then ++ am_save_LIBS="$LIBS" ++ LIBS="$LIBS $LIBICONV" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <stdlib.h> ++ #include <iconv.h> ++@@ -50941,10 +50700,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -51024,9 +50780,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -56741,10 +56494,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -56908,10 +56658,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -57057,10 +56804,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -57285,10 +57029,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -57368,9 +57109,6 @@ ++ else ++ ac_check_lib_save_LIBS=$LIBS ++ LIBS="-lm $LIBS" ++-if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++@@ -63085,10 +62823,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -63257,10 +62992,7 @@ ++ # Check for -Wl,--gc-sections ++ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5 ++ $as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; } ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ int one(void) { return 1; } ++ int two(void) { return 2; } ++@@ -63524,10 +63256,7 @@ ++ # if programs are run by default against NPTL and if not, issue ++ # a warning. ++ enable_linux_futex=no ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <sys/syscall.h> ++ int lk; ++@@ -63542,10 +63271,7 @@ ++ if ac_fn_c_try_link "$LINENO"; then : ++ save_LIBS="$LIBS" ++ LIBS="-lpthread $LIBS" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #ifndef _GNU_SOURCE ++ #define _GNU_SOURCE 1 ++@@ -63582,10 +63308,7 @@ ++ conftest$ac_exeext conftest.$ac_ext ++ ;; ++ yes) ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ #include <sys/syscall.h> ++ int lk; ++@@ -64163,10 +63886,7 @@ ++ $as_echo_n "checking for shared libgcc... " >&6; } ++ ac_save_CFLAGS="$CFLAGS" ++ CFLAGS=' -lgcc_s' ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int ++@@ -64196,10 +63916,7 @@ ++ rm -f conftest.c conftest.so ++ if test x${glibcxx_libgcc_s_suffix+set} = xset; then ++ CFLAGS=" -lgcc_s$glibcxx_libgcc_s_suffix" ++- if test x$gcc_no_link = xyes; then ++- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 ++-fi ++-cat confdefs.h - <<_ACEOF >conftest.$ac_ext +++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext ++ /* end confdefs.h. */ ++ ++ int diff --git a/misc/buildroot/toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional b/misc/buildroot/toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional new file mode 100644 index 000000000..b7094fe65 --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/powerpc-link-with-math-lib.patch.conditional @@ -0,0 +1,122 @@ +http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00269.html + +On glibc the libc.so carries a copy of the math function copysignl() but +on uClibc math functions like copysignl() live in libm. Since libgcc_s +contains unresolved symbols, any attempt to link against libgcc_s +without explicitely specifying -lm fails, resulting in a broken +bootstrap of the compiler. + +Forward port to gcc 4.5.1 by Gustavo Zacarias <gustavo@zacarias.com.ar> + +--- + libgcc/Makefile.in | 4 +++- + libgcc/configure | 32 ++++++++++++++++++++++++++++++++ + libgcc/configure.ac | 21 +++++++++++++++++++++ + 3 files changed, 56 insertions(+), 1 deletion(-) + +Index: gcc-4.8.0/libgcc/Makefile.in +=================================================================== +--- gcc-4.8.0.orig/libgcc/Makefile.in 2013-02-04 20:06:20.000000000 +0100 ++++ gcc-4.8.0/libgcc/Makefile.in 2013-03-24 09:12:43.000000000 +0100 +@@ -41,6 +41,7 @@ + decimal_float = @decimal_float@ + enable_decimal_float = @enable_decimal_float@ + fixed_point = @fixed_point@ ++LIBGCC_LIBM = @LIBGCC_LIBM@ + + host_noncanonical = @host_noncanonical@ + target_noncanonical = @target_noncanonical@ +@@ -927,9 +928,10 @@ + @multilib_dir@,$(MULTIDIR),$(subst \ + @shlib_objs@,$(objects) libgcc.a,$(subst \ + @shlib_base_name@,libgcc_s,$(subst \ ++ @libgcc_libm@,$(LIBGCC_LIBM),$(subst \ + @shlib_map_file@,$(mapfile),$(subst \ + @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ +- @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) ++ @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))) + + libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) + # @multilib_flags@ is still needed because this may use +Index: gcc-4.8.0/libgcc/configure +=================================================================== +--- gcc-4.8.0.orig/libgcc/configure 2012-11-05 00:08:42.000000000 +0100 ++++ gcc-4.8.0/libgcc/configure 2013-03-24 09:12:43.000000000 +0100 +@@ -564,6 +564,7 @@ + tmake_file + sfp_machine_header + set_use_emutls ++LIBGCC_LIBM + set_have_cc_tls + vis_hide + fixed_point +@@ -4481,6 +4482,37 @@ + fi + fi + ++# On powerpc libgcc_s references copysignl which is a libm function but ++# glibc apparently also provides it via libc as opposed to uClibc where ++# it lives in libm. ++echo "$as_me:$LINENO: checking for library containing copysignl" >&5 ++echo $ECHO_N "checking for library containing copysignl... $ECHO_C" >&6 ++if test "${libgcc_cv_copysignl_lib+set}" = set; then ++ echo $ECHO_N "(cached) $ECHO_C" >&6 ++else ++ ++ echo '#include <features.h>' > conftest.c ++ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c ++ libgcc_cv_copysignl_lib="-lc" ++ if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5' ++ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 ++ (eval $ac_try) 2>&5 ++ ac_status=$? ++ echo "$as_me:$LINENO: \$? = $ac_status" >&5 ++ (exit $ac_status); }; } ++ then ++ libgcc_cv_copysignl_lib="-lm" ++ fi ++ rm -f conftest.* ++ ++fi ++echo "$as_me:$LINENO: result: $libgcc_cv_copysignl_lib" >&5 ++echo "${ECHO_T}$libgcc_cv_copysignl_lib" >&6 ++ ++case /${libgcc_cv_copysignl_lib}/ in ++ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; ++ *) LIBGCC_LIBM= ;; ++esac + + # Conditionalize the makefile for this target machine. + tmake_file_= +Index: gcc-4.8.0/libgcc/configure.ac +=================================================================== +--- gcc-4.8.0.orig/libgcc/configure.ac 2012-10-15 15:10:30.000000000 +0200 ++++ gcc-4.8.0/libgcc/configure.ac 2013-03-24 09:12:43.000000000 +0100 +@@ -326,6 +326,27 @@ + fi + AC_SUBST(set_have_cc_tls) + ++# On powerpc libgcc_s references copysignl which is a libm function but ++# glibc apparently also provides it via libc as opposed to uClibc where ++# it lives in libm. ++AC_CACHE_CHECK ++ libgcc_cv_copysignl_lib, ++ echo '#include <features.h>' > conftest.c ++ echo 'int the_libc = __UCLIBC__ + __powerpc__;' >> conftest.c ++ libgcc_cv_copysignl_lib="-lc" ++ if AC_TRY_COMMAND(${CC-cc} -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD) ++ then ++ libgcc_cv_copysignl_lib="-lm" ++ fi ++ rm -f conftest.* ++ ]) ++ ++case /${libgcc_cv_copysignl_lib}/ in ++ /-lm/) LIBGCC_LIBM="$LIBGCC_LIBM -lm" ;; ++ *) LIBGCC_LIBM= ;; ++esac ++AC_SUBST(LIBGCC_LIBM) ++ + # See if we have emulated thread-local storage. + GCC_CHECK_EMUTLS + set_use_emutls= diff --git a/misc/buildroot/toolchain/gcc/Config.in b/misc/buildroot/toolchain/gcc/Config.in index 3a8f61592..2e39074cf 100644 --- a/misc/buildroot/toolchain/gcc/Config.in +++ b/misc/buildroot/toolchain/gcc/Config.in @@ -46,6 +46,11 @@ choice select BR2_GCC_SUPPORTS_SYSROOT bool "gcc 4.6.3" + config BR2_GCC_VERSION_4_7_3 + depends on !BR2_avr32 && !BR2_nios2 && !BR2_m9s12x + select BR2_GCC_SUPPORTS_SYSROOT + bool "gcc 4.7.3" + config BR2_GCC_VERSION_4_8_2 depends on !BR2_avr32 && !BR2_nios2 && !BR2_m9s12x select BR2_GCC_SUPPORTS_SYSROOT @@ -65,6 +70,7 @@ config BR2_GCC_VERSION default "4.3.3" if BR2_GCC_VERSION_4_3_3 default "4.5.2" if BR2_GCC_VERSION_4_5_2 default "4.6.3" if BR2_GCC_VERSION_4_6_3 + default "4.7.3" if BR2_GCC_VERSION_4_7_3 default "4.8.2" if BR2_GCC_VERSION_4_8_2 config BR2_GCC_USE_SJLJ_EXCEPTIONS diff --git a/misc/buildroot/toolchain/gcc/Makefile.in b/misc/buildroot/toolchain/gcc/Makefile.in index 7ae07cfe8..0329c199f 100644 --- a/misc/buildroot/toolchain/gcc/Makefile.in +++ b/misc/buildroot/toolchain/gcc/Makefile.in @@ -23,8 +23,11 @@ SOFT_FLOAT_CONFIG_OPTION:=--without-float endif # again... there must be a better way + ifeq ($(findstring x4.,x$(GCC_VERSION)),x4.) + SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft + ifeq ($(BR2_SOFT_FLOAT_FP),y) TARGET_SOFT_FLOAT:=-mfloat-abi=softfp else # no fp at all @@ -34,7 +37,9 @@ else TARGET_SOFT_FLOAT:=-msoft-float endif endif + else # not gcc-4.x + TARGET_SOFT_FLOAT:=-msoft-float endif ARCH_FPU_SUFFIX:=_nofpu @@ -42,24 +47,43 @@ else # no softfloat support SOFT_FLOAT_CONFIG_OPTION:= TARGET_SOFT_FLOAT:= ARCH_FPU_SUFFIX:= + +endif + +# DSA: config gcc to build Cortex-M4 compiler with hard float + +ifeq ($(strip $(BR2_GCC_CORTEX_M4F)),y) +TARGET_SOFT_FLOAT:=-mfpu=fpv4-sp-d16 -mfloat-abi=hard -mhard-float +SOFT_FLOAT_CONFIG_OPTION:=--with-float=hard +ARCH_FPU_SUFFIX:=_hf endif # some additional tuning values + ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_ARCH))),) # "))) GCC_WITH_ARCH:=--with-arch=$(BR2_GCC_TARGET_ARCH) endif + ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_TUNE))),) # "))) GCC_WITH_TUNE:=--with-tune=$(BR2_GCC_TARGET_TUNE) endif + ifneq ($(strip $(subst ",,$(BR2_GCC_TARGET_ABI))),) # "))) GCC_WITH_ABI:=--with-abi=$(BR2_GCC_TARGET_ABI) endif + ifdef BR2_cortex_m0 GCC_WITH_MODE:=--with-mode=thumb endif + ifdef BR2_cortex_m3 GCC_WITH_MODE:=--with-mode=thumb endif + +# DSA: config gcc to build Cortec-M4 compiler with hard float +ifdef BR2_cortex_m4f +GCC_WITH_MODE:=--with-mode=thumb +endif |