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Makefile: autodetect llvm-ar and llvm-nm commands

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This commit is contained in:
Jaden Weiss
2020-02-18 13:17:28 -05:00
committed by GitHub
parent 630c498efa
commit 94ec082f6c
1 changed files with 19 additions and 3 deletions
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Makefile
+19 -3
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@@ -9,8 +9,24 @@ LLD_SRC ?= llvm-project/lld
# Default tool selection.
CLANG ?= clang-9
LLVM_AR ?= llvm-ar-9
LLVM_NM ?= llvm-nm-9
# Try to autodetect llvm-ar and llvm-nm
ifneq (, $(shell command -v llvm-ar-9 2> /dev/null))
LLVM_AR ?= llvm-ar-9
else ifneq (, $(shell command -v llvm-ar 2> /dev/null))
LLVM_AR ?= llvm-ar
endif
ifneq (, $(shell command -v llvm-nm-9 2> /dev/null))
LLVM_NM ?= llvm-nm-9
else ifneq (, $(shell command -v llvm-nm 2> /dev/null))
LLVM_NM ?= llvm-nm
endif
ifndef LLVM_AR
$(warning llvm-ar not found)
endif
ifndef LLVM_NM
$(warning llvm-nm not found)
endif
# Go binary and GOROOT to select
GO ?= go
@@ -23,7 +39,7 @@ MD5SUM = md5sum
TINYGO ?= tinygo
# Use CCACHE for LLVM if possible
ifneq (, $(shell which ccache))
ifneq (, $(shell command -v ccache 2> /dev/null))
LLVM_OPTION += '-DLLVM_CCACHE_BUILD=ON'
endif