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| author | Joel Brobecker <brobecker@adacore.com> | 2009-11-24 22:35:29 +0000 |
|---|---|---|
| committer | Joel Brobecker <brobecker@adacore.com> | 2009-11-24 22:35:29 +0000 |
| commit | 83e8d44112f4ff1cd0e1fa1e331590a752a10f67 (patch) | |
| tree | 67151f52f2b12360d5a39fcf6f9c718fc3f3e25e /config/zlib.m4 | |
| parent | cca5b2f53e52299c8de4040063dc9c2648baee87 (diff) | |
| download | cygnal-83e8d44112f4ff1cd0e1fa1e331590a752a10f67.tar.gz cygnal-83e8d44112f4ff1cd0e1fa1e331590a752a10f67.tar.bz2 cygnal-83e8d44112f4ff1cd0e1fa1e331590a752a10f67.zip | |
* zlib.m4: New file.
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 000000000..b0174994e --- /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 +]) + |