infer SYSROOT from the cross cpp's idea of pthread.h location Until now, SYSROOT...

[feed/telephony.git] / libs / re / Makefile

diff --git a/libs/re/Makefile b/libs/re/Makefile
index 4fa53106e6376e3c97898b39661f7763ff8b9aa4..e6f9ed4ce51add3d1c770a4e4ecb8e201d0c9c7b 100644 (file)
--- a/libs/re/Makefile
+++ b/libs/re/Makefile
@@ -35,7 +35,7 @@ define Build/Compile
                EXTRA_CFLAGS="$(TARGET_CFLAGS) -DOPENWRT" \
                EXTRA_LFLAGS="-lm" \
                DESTDIR="$(PKG_INSTALL_DIR)" \
-               SYSROOT="$(TOOLCHAIN_DIR)" \
+               SYSROOT="$$$$(echo '#include <pthread.h>' | $(TARGET_CROSS)cpp -x c | sed -ne 's,^# [0-9]* \"\(.*\)/include/pthread\.h\".*,\1,p' | head -n1)" \
                SYSROOT_ALT="$(STAGING_DIR)/usr" \
                RELEASE=1 \
                CROSS_COMPILE="$(TARGET_CROSS)" \