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-rw-r--r--libfontenc/configure.ac6
1 files changed, 4 insertions, 2 deletions
diff --git a/libfontenc/configure.ac b/libfontenc/configure.ac
index 282167c71..78dbf9ac9 100644
--- a/libfontenc/configure.ac
+++ b/libfontenc/configure.ac
@@ -48,8 +48,10 @@ XORG_FONT_MACROS_VERSION(1.1)
XORG_FONTSUBDIR([ENCODINGSDIR], [encodingsdir], [encodings])
# zlib
-
-AC_CHECK_LIB(z, gzclose)
+AC_CHECK_HEADER([zlib.h], [],
+ AC_MSG_FAILURE([zlib.h is required to compile libfontenc]))
+AC_CHECK_LIB(z, gzclose, [],
+ AC_MSG_FAILURE([zlib is required to compile libfontenc]))
# Check for dependencies
PKG_CHECK_MODULES(FONTENC, xproto)