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| author | Joel Brobecker <brobecker@adacore.com> | 2009-11-24 22:40:46 +0000 |
|---|---|---|
| committer | Joel Brobecker <brobecke@gcc.gnu.org> | 2009-11-24 22:40:46 +0000 |
| commit | 678ff8235a39ac14d9bead05d90ed094c8fbdd3d (patch) | |
| tree | f9d45de04b3aa4f3056f35ae1bd9dc644b1a1f7b /config/zlib.m4 | |
| parent | 108e24453b3463097c8f0a25dd2d21219944b0fe (diff) | |
| download | gcc-678ff8235a39ac14d9bead05d90ed094c8fbdd3d.zip gcc-678ff8235a39ac14d9bead05d90ed094c8fbdd3d.tar.gz gcc-678ff8235a39ac14d9bead05d90ed094c8fbdd3d.tar.bz2 | |
* zlib.m4: New file.
From-SVN: r154521
Diffstat (limited to 'config/zlib.m4')
| -rw-r--r-- | config/zlib.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/config/zlib.m4 b/config/zlib.m4 new file mode 100644 index 0000000..b017499 --- /dev/null +++ b/config/zlib.m4 @@ -0,0 +1,18 @@ +dnl A function to check for zlib availability. zlib is used by default +dnl unless the user configured with --disable-nls. + +AC_DEFUN([AM_ZLIB], +[ + # See if the user specified whether he wants zlib support or not. + AC_ARG_WITH(zlib, + [ --with-zlib include zlib support (auto/yes/no) [default=auto]], + [], [with_zlib=auto]) + + if test "$with_zlib" != "no"; then + AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) + if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then + AC_MSG_ERROR([zlib (libz) library was explicitly requested but not found]) + fi + fi +]) + |