From ae92c39ac1a742d097b235ce7f2d924b45d3e71d Mon Sep 17 00:00:00 2001
From: Marcus Comstedt <marcus@mc.pp.se>
Date: Sun, 5 Jan 2014 20:25:57 +0100
Subject: [PATCH] Image.WebP: Check that the library exists, not just the
headers
---
src/post_modules/_Image_WebP/configure.in | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/post_modules/_Image_WebP/configure.in b/src/post_modules/_Image_WebP/configure.in
index 112a77d8ad..d9cb207093 100644
--- a/src/post_modules/_Image_WebP/configure.in
+++ b/src/post_modules/_Image_WebP/configure.in
@@ -7,14 +7,19 @@ PIKE_FEATURE_NODEP(Image.WebP)
AC_CHECK_HEADERS(webp/encode.h)
if test $ac_cv_header_webp_encode_h = yes ; then
- AC_DEFINE(HAVE_LIBWEBP,[],[Define when the -lwebp library is available])
+ have_libwebp=false
AC_CHECK_LIB([webp], [WebPDecodeRGB], [
LIBS="${LIBS-} -lwebp"
+ have_libwebp=true
])
AC_CHECK_LIB([webpdecoder], [WebPDecodeRGBA], [
LIBS="${LIBS-} -lwebpmux -lwebpdecoder -lwebpdemux"
+ have_libwebp=true
])
- PIKE_FEATURE_OK(Image.WebP)
+ if $have_libwebp; then
+ AC_DEFINE(HAVE_LIBWEBP,[],[Define when the -lwebp library is available])
+ PIKE_FEATURE_OK(Image.WebP)
+ fi
fi
AC_OUTPUT(Makefile,echo FOO >stamp-h )
--
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