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Print a useful error if llvm-config isn't found when building.

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Previously, there was a ton of unintelligible error spew.

Issue #273.
This commit is contained in:
Matt Pharr
2012-07-06 13:18:11 -07:00
parent aabbdba068
commit 38bcecd2f3
1 changed files with 11 additions and 3 deletions
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14
Makefile
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@@ -99,10 +99,10 @@ OBJS=$(addprefix objs/, $(CXX_SRC:.cpp=.o) $(BUILTINS_OBJS) \
default: ispc default: ispc
.PHONY: dirs clean depend doxygen print_llvm_src .PHONY: dirs clean depend doxygen print_llvm_src llvm_check
.PRECIOUS: objs/builtins-%.cpp .PRECIOUS: objs/builtins-%.cpp
depend: $(CXX_SRC) $(HEADERS) depend: llvm_check $(CXX_SRC) $(HEADERS)
@echo Updating dependencies @echo Updating dependencies
@gcc -MM $(CXXFLAGS) $(CXX_SRC) | sed 's_^\([a-z]\)_objs/\1_g' > depend @gcc -MM $(CXXFLAGS) $(CXX_SRC) | sed 's_^\([a-z]\)_objs/\1_g' > depend
@@ -112,7 +112,15 @@ dirs:
@echo Creating objs/ directory @echo Creating objs/ directory
@/bin/mkdir -p objs @/bin/mkdir -p objs
print_llvm_src: llvm_check:
@llvm-config --version > /dev/null || \
(echo; \
echo "******************************************"; \
echo "ERROR: llvm-config not found in your PATH"; \
echo "******************************************"; \
echo; exit 1)
print_llvm_src: llvm_check
@echo Using LLVM `llvm-config --version` from `llvm-config --libdir` @echo Using LLVM `llvm-config --version` from `llvm-config --libdir`
clean: clean: