diff options
| author | Joel Brobecker <brobecker@adacore.com> | 2009-11-24 22:40:46 +0000 |
|---|---|---|
| committer | Joel Brobecker <brobecker@adacore.com> | 2009-11-24 22:40:46 +0000 |
| commit | 36f9937bf66d0efecb2d2edfac32c1b379617226 (patch) | |
| tree | f9d45de04b3aa4f3056f35ae1bd9dc644b1a1f7b /config | |
| parent | 96e65a166af3f2037f45f4f58b480434aa66579e (diff) | |
* zlib.m4: New file.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@154521 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 4 | ||||
| -rw-r--r-- | config/zlib.m4 | 18 |
2 files changed, 22 insertions, 0 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 7b6ded03d52..aa716ea437d 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,7 @@ +2009-11-24 Joel Brobecker <brobecker@adacore.com> + + * zlib.m4: New file. + 2009-11-09 Jan Kratochvil <jan.kratochvil@redhat.com> * largefile.m4 (ACX_LARGEFILE): Call AC_PLUGINS. diff --git a/config/zlib.m4 b/config/zlib.m4 new file mode 100644 index 00000000000..b0174994ec1 --- /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 +]) + |