gcc 4.6 must use -std=gnu99 not -std=c99 to compile correctly on raspberry

Author: bilam

jsrc/Android.mk

@@ -19,7 +19,7 @@ ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
   LOCAL_LDFLAGS += -fopenmp -static-openmp
 endif
 ifeq ($(TARGET_ARCH_ABI),armeabi)
-  LOCAL_CFLAGS := -std=c99 -Wno-unknown-warning-option -fPIC -Os -fvisibility=hidden -fwrapv -Werror -Wno-overflow -Wno-string-plus-int -Wno-empty-body -Wno-int-to-pointer-cast -Wno-parentheses -Wno-pointer-sign -Wno-pointer-to-int-cast -Wno-logical-op-parentheses -Wno-unused-value -Wno-null-dereference -Wno-type-limits -fno-strict-aliasing -mfloat-abi=softfp -march=armv5te -Wno-sign-compare
+  LOCAL_CFLAGS := -std=gnu99 -Wno-unknown-warning-option -fPIC -Os -fvisibility=hidden -fwrapv -Werror -Wno-overflow -Wno-string-plus-int -Wno-empty-body -Wno-int-to-pointer-cast -Wno-parentheses -Wno-pointer-sign -Wno-pointer-to-int-cast -Wno-logical-op-parentheses -Wno-unused-value -Wno-null-dereference -Wno-type-limits -fno-strict-aliasing -mfloat-abi=softfp -march=armv5te -Wno-sign-compare
   LOCAL_ARM_MODE := arm
   LOCAL_CFLAGS += -fopenmp
   LOCAL_LDFLAGS += -fopenmp

make2/build_libj.sh

@@ -368,7 +368,7 @@ FLAGS_BASE64=" -DHAVE_AVX2=1 " #ditto
 
 raspberry_j32) # linux raspbian arm
 TARGET=libj.so
-CFLAGS="$common -Wno-overflow -marm -march=armv6 -mfloat-abi=hard -mfpu=vfp -DRASPI "
+CFLAGS="$common -std=gnu99 -Wno-overflow -marm -march=armv6 -mfloat-abi=hard -mfpu=vfp -DRASPI "
 LDFLAGS=" -shared -Wl,-soname,libj.so -lm -ldl $LDOPENMP $LDTHREAD"
 SRC_ASM="${SRC_ASM_RASPI32}"
 GASM_FLAGS=""