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| author | Alexandros Frantzis <alexandros.frantzis@canonical.com> | 2017-03-10 14:25:27 +0200 |
|---|---|---|
| committer | Alexandros Frantzis <alexandros.frantzis@canonical.com> | 2017-03-13 14:27:39 +0200 |
| commit | 13d165de9e737cec750a2ab3d1ef68bb3f276c48 (patch) | |
| tree | 312cdee0255f8a5c7b48e87956b0a246defc1ee6 /configure.ac | |
| parent | a69bc9de75fe08f5fe7ad6e2339dfc5b0da5d8ef (diff) | |
| download | protobuf-13d165de9e737cec750a2ab3d1ef68bb3f276c48.tar.gz protobuf-13d165de9e737cec750a2ab3d1ef68bb3f276c48.tar.bz2 protobuf-13d165de9e737cec750a2ab3d1ef68bb3f276c48.zip | |
Hide unnecessary exported library symbols
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6d9c2a01..531e25fb 100644 --- a/configure.ac +++ b/configure.ac @@ -93,6 +93,25 @@ ACX_CHECK_SUNCC # to the link AC_PROG_LIBTOOL +# Check whether the linker supports version scripts +AC_MSG_CHECKING([whether the linker supports version scripts]) +save_LDFLAGS=$LDFLAGS +LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map" +cat > conftest.map <<EOF +{ + global: + main; + local: + *; +}; +EOF +AC_LINK_IFELSE( + [AC_LANG_SOURCE([int main() { return 0; }])], + [have_ld_version_script=yes; AC_MSG_RESULT(yes)], + [have_ld_version_script=no; AC_MSG_RESULT(no)]) +LDFLAGS=$save_LDFLAGS +AM_CONDITIONAL([HAVE_LD_VERSION_SCRIPT], [test "$have_ld_version_script" == "yes"]) + # Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdlib.h unistd.h]) |