Libc-583.tar.gz

[apple/libc.git] / Makefile.features

diff --git a/Makefile.features b/Makefile.features
index 19c7d292b0400a06bf9e8c2be3588ce5c6ba53a2..ea2c13d838db54650a72dff45d7a8d25287eb659 100644 (file)
--- a/Makefile.features
+++ b/Makefile.features
@@ -1,8 +1,16 @@
 .include "Platforms/${RC_TARGET_CONFIG}/Makefile.inc"
 
+# Have to use || to avoid warning message if && is used
+.ifdef CCARCH
+_BLOCKS != ${MYCC} -arch ${CCARCH} -E -dD -x c /dev/null | fgrep -q __BLOCKS__ || echo NO
+.if ${_BLOCKS} != NO
+FEATURE_BLOCKS = YES
+.endif # _BLOCKS
+.endif # CCARCH
+
 ${SYMROOTINC}/${MACHINE_ARCH}/libc-features.h:
-       mkdir -p ${.TARGET:H}
-       echo creating ${.TARGET}
+       ${MKDIR} ${.TARGET:H}
+       ${ECHO} creating ${.TARGET}
        @echo '#ifndef _LIBC_FEATURES_H_' > ${.TARGET}
        @echo '#define _LIBC_FEATURES_H_' >> ${.TARGET}
        @echo >> ${.TARGET}
@@ -90,6 +98,11 @@ ${SYMROOTINC}/${MACHINE_ARCH}/libc-features.h:
        @echo >> ${.TARGET}
        @echo '#endif /* _LIBC_FEATURES_H_ */' >> ${.TARGET}
 
+.ifdef FEATURE_BLOCKS
+UNIFDEFARGS += -DUNIFDEF_BLOCKS
+.else
+UNIFDEFARGS += -UUNIFDEF_BLOCKS
+.endif
 .ifdef FEATURE_LEGACY_64_APIS
 UNIFDEFARGS += -DUNIFDEF_LEGACY_64_APIS
 .else