[openwrt/openwrt] build: drop clang wrapper

[LEDE Commits]

ldir pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/e2180e3cbe320e757f61122de17eca5240e76e04

commit e2180e3cbe320e757f61122de17eca5240e76e04
Author: Kevin Darbyshire-Bryant <ldir at darbyshire-bryant.me.uk>
AuthorDate: Sat Nov 28 17:38:54 2020 +0000

    build: drop clang wrapper
    
    clang's gcc emulation does the right thing with -print-file-name now,
    drop the wrapper
    
    Signed-off-by: Kevin Darbyshire-Bryant <ldir at darbyshire-bryant.me.uk>
---
 include/toplevel.mk       | 10 +---------
 scripts/clang-gcc-wrapper | 12 ------------
 2 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/include/toplevel.mk b/include/toplevel.mk
index 4003b48241..d3500ef58f 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -19,7 +19,6 @@ else
   SOURCE_DATE_EPOCH:=$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh)
 endif
 
-HOSTCC ?= $(CC)
 export REVISION
 export SOURCE_DATE_EPOCH
 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
@@ -59,13 +58,6 @@ export PATH:=$(path)
 
 unexport TAR_OPTIONS
 
-ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
-  export HOSTCC_REAL?=$(HOSTCC)
-  export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
-else
-  export HOSTCC_WRAPPER:=$(HOSTCC)
-endif
-
 ifeq ($(FORCE),)
   .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
 endif
@@ -115,7 +107,7 @@ endif
 scripts/config/%onf: CFLAGS+= -O2
 scripts/config/%onf:
 	@$(_SINGLE)$(SUBMAKE) $(if $(findstring s,$(OPENWRT_VERBOSE)),,-s) \
-		-C scripts/config $(notdir $@) CC="$(HOSTCC_WRAPPER)"
+		-C scripts/config $(notdir $@)
 
 $(eval $(call rdep,scripts/config,scripts/config/mconf))
 
diff --git a/scripts/clang-gcc-wrapper b/scripts/clang-gcc-wrapper
deleted file mode 100755
index 9e668418a9..0000000000
--- a/scripts/clang-gcc-wrapper
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-_cc="${HOSTCC_REAL:-gcc}"
-case "$1" in
-	-print-file-name=*)
-		dirs="$($_cc -print-search-dirs | grep -m1 libraries | sed -e 's,:, ,' -e 's,.* =,,')"
-		dirs="$dirs /usr/lib /usr/local/lib"
-		find $dirs -name "${1#*=}" | head -n1
-	;;
-	*)
-		exec $_cc "$@"
-	;;
-esac