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Re: Different Compiler Options within one Makefile
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From: |
Greg Chicares |
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Subject: |
Re: Different Compiler Options within one Makefile |
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Date: |
Fri, 05 Jun 2009 19:31:48 +0000 |
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User-agent: |
Thunderbird 2.0.0.21 (Windows/20090302) |
On 2009-06-05 19:08Z, Erik Rull wrote:
>
> CXXNONOPTIMIZED = -O0
> CXXOPTIMIZED = -O3
>
> library: optimized nonoptimized
>
> optimized: file1.o file2.o # these should be compiled with CXXOPTIMIZED
>
> nonoptimized: file3.o file4.o # these should be compiled with CXXNONOPTIMIZED
Use target-specific variable values, e.g.:
optimized := file1.o file2.o
nonoptimized := file3.o file4.o
$(optimized) : optimization_flag := -O3
$(nonoptimized): optimization_flag := -O0
%.o: %.cpp
$(CXX) -c $(optimization_flag) $(CXXFLAGS) $< -o$@