From: jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 16 Sep 2015 08:44:53 +0000 (+0000)
Subject: prereq-build: test for static zlib availability
X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=commitdiff_plain;h=dfa904f762846dc0e9d46119490d2466c4b95b60

prereq-build: test for static zlib availability

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46976 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 211201af3d..f5fb9e270a 100644
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -60,10 +60,16 @@ $(eval $(call TestHostCommand,ncurses, \
 	echo 'int main(int argc, char **argv) { initscr(); return 0; }' | \
 		gcc -include ncurses.h -x c -o $(TMP_DIR)/a.out - -lncurses))
 
+ifeq ($(HOST_OS),Linux)
+  zlib_link_flags := -Wl,-Bstatic -lz -Wl,-Bdynamic
+else
+  zlib_link_flags := -lz
+endif
+
 $(eval $(call TestHostCommand,zlib, \
-	Please install zlib. (Missing libz.so or zlib.h), \
+	Please install a static zlib. (Missing libz.a or zlib.h), \
 	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
-		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out - -lz))
+		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out - $(zlib_link_flags)))
 
 $(eval $(call TestHostCommand,libssl, \
 	Please install the openssl library (with development headers), \