[OpenWrt-Devel] [PATCH 2/3] rules.mk: replace iremap when using GCC 8

[wong.syrone at gmail.com]

From: Syrone Wong <wong.syrone at gmail.com>

The original -iremap is replaced by -fmacro-prefix-map in GCC 8

Signed-off-by: Syrone Wong <wong.syrone at gmail.com>
---
 rules.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rules.mk b/rules.mk
index a97b2d2155..8eb8e21a7e 100644
--- a/rules.mk
+++ b/rules.mk
@@ -141,6 +141,10 @@ endif
 
 ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
   iremap = -iremap$(1):$(2)
+  # just overwrite iremap for GCC 8.1 and higher to keep backward compatibility
+  ifeq ($(CONFIG_GCC_VERSION_8),y)
+    iremap = -fmacro-prefix-map=$(1)=$(2)
+  endif
 endif
 
 PACKAGE_DIR:=$(BIN_DIR)/packages
-- 
2.17.1


_______________________________________________
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
https://lists.openwrt.org/listinfo/openwrt-devel