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-rw-r--r--m4/want_zlib.m414
1 files changed, 14 insertions, 0 deletions
diff --git a/m4/want_zlib.m4 b/m4/want_zlib.m4
new file mode 100644
index 0000000..397b8db
--- /dev/null
+++ b/m4/want_zlib.m4
@@ -0,0 +1,14 @@
+AC_DEFUN([DOVECOT_WANT_ZLIB], [
+ if test "$want_zlib" != "no"; then
+ AC_CHECK_HEADER(zlib.h, [
+ have_zlib=yes
+ have_compress_lib=yes
+ AC_DEFINE(HAVE_ZLIB,, [Define if you have zlib library])
+ COMPRESS_LIBS="$COMPRESS_LIBS -lz"
+ ], [
+ if test "$want_zlib" = "yes"; then
+ AC_ERROR([Can't build with zlib support: zlib.h not found])
+ fi
+ ])
+ fi
+])