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Merge topic 'try_compile-escape-flags'

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290857b try_compile: Escape CMAKE_<lang>_FLAGS in test projects (#14268)
This commit is contained in:
Brad King 2013-07-15 09:31:01 -04:00 committed by CMake Topic Stage
commit 88f4ec0dd5
3 changed files with 30 additions and 8 deletions
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16
Source/cmCoreTryCompile.cxx
View File

@ -12,6 +12,7 @@
#include "cmCoreTryCompile.h"
#include "cmake.h"
#include "cmCacheManager.h"
#include "cmLocalGenerator.h"
#include "cmGlobalGenerator.h"
#include "cmExportTryCompileFileGenerator.h"
#include <cmsys/Directory.hxx>
@ -214,8 +215,8 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv)
}
// Detect languages to enable.
cmGlobalGenerator* gg =
this->Makefile->GetCMakeInstance()->GetGlobalGenerator();
cmLocalGenerator* lg = this->Makefile->GetLocalGenerator();
cmGlobalGenerator* gg = lg->GetGlobalGenerator();
std::set<std::string> testLangs;
for(std::vector<std::string>::iterator si = sources.begin();
si != sources.end(); ++si)
@ -295,13 +296,12 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv)
for(std::set<std::string>::iterator li = testLangs.begin();
li != testLangs.end(); ++li)
{
fprintf(fout, "SET(CMAKE_%s_FLAGS \"", li->c_str());
std::string langFlags = "CMAKE_" + *li + "_FLAGS";
if(const char* flags = this->Makefile->GetDefinition(langFlags.c_str()))
{
fprintf(fout, " %s ", flags);
}
fprintf(fout, " ${COMPILE_DEFINITIONS}\")\n");
const char* flags = this->Makefile->GetDefinition(langFlags.c_str());
fprintf(fout, "SET(CMAKE_%s_FLAGS %s)\n", li->c_str(),
lg->EscapeForCMake(flags?flags:"").c_str());
fprintf(fout, "SET(CMAKE_%s_FLAGS \"${CMAKE_%s_FLAGS}"
" ${COMPILE_DEFINITIONS}\")\n", li->c_str(), li->c_str());
}
fprintf(fout, "INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES})\n");
fprintf(fout, "SET(CMAKE_SUPPRESS_REGENERATION 1)\n");

18
Tests/TryCompile/CMakeLists.txt
View File

@ -89,6 +89,24 @@ if(SHOULD_FAIL)
message(SEND_ERROR "Should fail passed ${TRY_OUT}")
endif()
# try to compile a file that should compile
set(_c_flags "${CMAKE_C_FLAGS}")
if(CMAKE_GENERATOR STREQUAL "Visual Studio 6")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D \"TESTDEF\"")
elseif(WATCOM)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -dTESTDEF")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} \"-DTESTDEF\"")
endif()
try_compile(SHOULD_PASS
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/testdef.c
OUTPUT_VARIABLE TRY_OUT)
if(NOT SHOULD_PASS)
message(SEND_ERROR "should pass failed ${TRY_OUT}")
endif()
set(CMAKE_C_FLAGS "${_c_flags}")
if(NOT SHOULD_FAIL)
if(SHOULD_PASS)
message("All Tests passed, ignore all previous output.")

4
Tests/TryCompile/testdef.c Normal file
View File

@ -0,0 +1,4 @@
#ifndef TESTDEF
# error "TESTDEF should be defined!"
#endif
int main(void) { return 0; }