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authorDenys Vlasenko <vda.linux@googlemail.com>2012-04-20 16:24:09 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2012-04-20 16:24:09 (GMT)
commit6dca17261065eabe6102a7e7facf9ebb717315e5 (patch)
tree44a135892cf051fdb372bbf71eb3732638174706
parent56443cdbdd23f7691df833d45f8c3468e07115bb (diff)
downloadbusybox-6dca17261065eabe6102a7e7facf9ebb717315e5.tar.gz
busybox-6dca17261065eabe6102a7e7facf9ebb717315e5.tar.bz2
fix build breakage with gcc 4.2.1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--Makefile.flags5
1 files changed, 4 insertions, 1 deletions
diff --git a/Makefile.flags b/Makefile.flags
index f745c2f..c43c8dc 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -105,7 +105,10 @@ export SYSROOT=$(CONFIG_SYSROOT)
endif
# Android has no separate crypt library
-CRYPT_AVAILABLE := $(shell echo 'int main(void){return 0;}' | $(CC) $(CFLAGS) -lcrypt -o /dev/null -xc - >/dev/null 2>&1 && echo "y")
+# gcc-4.2.1 fails if we try to feed C source on stdin:
+# echo 'int main(void){return 0;}' | $(CC) $(CFLAGS) -lcrypt -o /dev/null -xc -
+# fall back to using a temp file:
+CRYPT_AVAILABLE := $(shell echo 'int main(void){return 0;}' >crypttest.c; $(CC) $(CFLAGS) -lcrypt -o /dev/null crypttest.c >/dev/null 2>&1 && echo "y"; rm crypttest.c)
ifeq ($(CRYPT_AVAILABLE),y)
LDLIBS += m crypt
else