initial commit

This commit is contained in:
Martin Errenst 2017-08-27 13:19:39 +02:00
commit e40bd023fb
4 changed files with 30 additions and 0 deletions

1
.gitignore vendored Normal file
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a.out

15
Makefile Normal file
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CXXFLAGS += -O3
GIT_VERSION := $(shell git describe --dirty --always --tags)
COMPILER_VERSION := $(shell ${CXX} --version | head -n1)
all: get_parameters
${CXX} ${CXXFLAGS} -DGIT_VERSION="\"${GIT_VERSION}\"" -DUSED_FLAGS="\"${USED_FLAGS}\"" -DUSED_COMPILER="\"${COMPILER_VERSION}\"" main.cpp && ./a.out
compile_dummy:
${CXX} ${CXXFLAGS} -frecord-gcc-switches dummy.cpp
get_parameters: compile_dummy
$(eval USED_FLAGS := $(shell readelf -p .GCC.command.line a.out | grep -v -e dummy.cpp -e "-frecord-gcc-switches" | grep -e "\[.*\]" | cut -d\] -f2- | tr -d "\n"))
.PHONY: all get_parameters compile_dummy

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dummy.cpp Normal file
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int main(){
return 0;
}

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main.cpp Normal file
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#include <iostream>
void print_build_information(){
std::cout << "Build from revision: " << GIT_VERSION << std::endl;
std::cout << "Compiled with: " << USED_COMPILER << std::endl;
std::cout << "With the following flags: " << USED_FLAGS << std::endl;
}
int main(){
print_build_information();
return 0;
}