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authorkenton@google.com <kenton@google.com@630680e5-0e50-0410-840e-4b1c322b438d>2009-04-16 22:30:56 +0000
committerkenton@google.com <kenton@google.com@630680e5-0e50-0410-840e-4b1c322b438d>2009-04-16 22:30:56 +0000
commite59427a62cdd93ac8b18396d19f6dc74e979df95 (patch)
tree280938f0c9c0f84bcc3898bf3161b9700d9071cd /configure.ac
parentf663b1602d2675b1ab91d76dd739070d34e01291 (diff)
downloadprotobuf-e59427a62cdd93ac8b18396d19f6dc74e979df95.tar.gz
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Commit Brian Olson's gzip stream implementations.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac15
1 files changed, 15 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 6015281b..2824960b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,6 +15,11 @@ AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE
+AC_ARG_WITH([zlib],
+ [AS_HELP_STRING([--with-zlib],
+ [include classes for streaming compressed data in and out @<:@default=check@:>@])],
+ [],[with_zlib=check])
+
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
@@ -38,6 +43,16 @@ AC_FUNC_MEMCMP
AC_FUNC_STRTOD
AC_CHECK_FUNCS([ftruncate memset mkdir strchr strerror strtol])
+HAVE_ZLIB=0
+AS_IF([test "$with_zlib" != no],
+ [AC_SEARCH_LIBS([zlibVersion], [z],
+ [AC_DEFINE([HAVE_ZLIB], [1], [Enable classes using zlib compression.])
+ HAVE_ZLIB=1],
+ [if test "$with_zlib" != check; then
+ AC_MSG_FAILURE([--with-zlib was given, but test for zlib failed])
+ fi])])
+AM_CONDITIONAL([HAVE_ZLIB], [test $HAVE_ZLIB = 1])
+
ACX_PTHREAD
AC_CXX_STL_HASH