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Subject[PATCH 1/5] try generic compiler name "cc" before falling back to "gcc".
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Distros like debian install the generic "cc" name for both gcc and clang,
and the plumbing already does CC_VERSION_TEXT to include Makefile.clang.

Previously: https://lkml.iu.edu/hypermail/linux/kernel/2202.0/01505.html
Signed-off-by: Rob Landley <rob@landley.net>
---
Makefile | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3f6628780eb2..0ac57ae3b45f 100644
--- a/Makefile
+++ b/Makefile
@@ -456,7 +456,7 @@ endif
HOSTCC = $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
HOSTCXX = $(LLVM_PREFIX)clang++$(LLVM_SUFFIX)
else
-HOSTCC = gcc
+HOSTCC := $(shell cc --version >/dev/null 2>&1 && echo cc || echo gcc)
HOSTCXX = g++
endif
HOSTRUSTC = rustc
@@ -503,7 +503,8 @@ OBJDUMP = $(LLVM_PREFIX)llvm-objdump$(LLVM_SUFFIX)
READELF = $(LLVM_PREFIX)llvm-readelf$(LLVM_SUFFIX)
STRIP = $(LLVM_PREFIX)llvm-strip$(LLVM_SUFFIX)
else
-CC = $(CROSS_COMPILE)gcc
+CC := $(CROSS_COMPILE)$(shell $(CROSS_COMPILE)cc --version \
+ >/dev/null 2>&1 && echo cc || echo gcc)
LD = $(CROSS_COMPILE)ld
AR = $(CROSS_COMPILE)ar
NM = $(CROSS_COMPILE)nm
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