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-rw-r--r--Source/cmCoreTryCompile.cxx143
1 files changed, 69 insertions, 74 deletions
diff --git a/Source/cmCoreTryCompile.cxx b/Source/cmCoreTryCompile.cxx
index 9d83624..0149fdf 100644
--- a/Source/cmCoreTryCompile.cxx
+++ b/Source/cmCoreTryCompile.cxx
@@ -20,6 +20,30 @@
#include <assert.h>
+static std::string const kCMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN =
+ "CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN";
+static std::string const kCMAKE_C_COMPILER_TARGET = "CMAKE_C_COMPILER_TARGET";
+static std::string const kCMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN =
+ "CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN";
+static std::string const kCMAKE_CXX_COMPILER_TARGET =
+ "CMAKE_CXX_COMPILER_TARGET";
+static std::string const kCMAKE_ENABLE_EXPORTS = "CMAKE_ENABLE_EXPORTS";
+static std::string const kCMAKE_LINK_SEARCH_END_STATIC =
+ "CMAKE_LINK_SEARCH_END_STATIC";
+static std::string const kCMAKE_LINK_SEARCH_START_STATIC =
+ "CMAKE_LINK_SEARCH_START_STATIC";
+static std::string const kCMAKE_OSX_ARCHITECTURES = "CMAKE_OSX_ARCHITECTURES";
+static std::string const kCMAKE_OSX_DEPLOYMENT_TARGET =
+ "CMAKE_OSX_DEPLOYMENT_TARGET";
+static std::string const kCMAKE_OSX_SYSROOT = "CMAKE_OSX_SYSROOT";
+static std::string const kCMAKE_POSITION_INDEPENDENT_CODE =
+ "CMAKE_POSITION_INDEPENDENT_CODE";
+static std::string const kCMAKE_SYSROOT = "CMAKE_SYSROOT";
+static std::string const kCMAKE_TRY_COMPILE_OSX_ARCHITECTURES =
+ "CMAKE_TRY_COMPILE_OSX_ARCHITECTURES";
+static std::string const kCMAKE_TRY_COMPILE_PLATFORM_VARIABLES =
+ "CMAKE_TRY_COMPILE_PLATFORM_VARIABLES";
+
int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv,
bool isTryRun)
{
@@ -383,76 +407,51 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv,
fname.c_str());
}
- /* for the TRY_COMPILEs we want to be able to specify the architecture.
- So the user can set CMAKE_OSX_ARCHITECTURES to i386;ppc and then set
- CMAKE_TRY_COMPILE_OSX_ARCHITECTURES first to i386 and then to ppc to
- have the tests run for each specific architecture. Since
- cmLocalGenerator doesn't allow building for "the other"
- architecture only via CMAKE_OSX_ARCHITECTURES.
- */
- if (this->Makefile->GetDefinition("CMAKE_TRY_COMPILE_OSX_ARCHITECTURES") !=
- 0) {
- std::string flag = "-DCMAKE_OSX_ARCHITECTURES=";
- flag += this->Makefile->GetSafeDefinition(
- "CMAKE_TRY_COMPILE_OSX_ARCHITECTURES");
- cmakeFlags.push_back(flag);
- } else if (this->Makefile->GetDefinition("CMAKE_OSX_ARCHITECTURES") != 0) {
- std::string flag = "-DCMAKE_OSX_ARCHITECTURES=";
- flag += this->Makefile->GetSafeDefinition("CMAKE_OSX_ARCHITECTURES");
- cmakeFlags.push_back(flag);
- }
- /* on APPLE also pass CMAKE_OSX_SYSROOT to the try_compile */
- if (this->Makefile->GetDefinition("CMAKE_OSX_SYSROOT") != 0) {
- std::string flag = "-DCMAKE_OSX_SYSROOT=";
- flag += this->Makefile->GetSafeDefinition("CMAKE_OSX_SYSROOT");
- cmakeFlags.push_back(flag);
- }
- /* on APPLE also pass CMAKE_OSX_DEPLOYMENT_TARGET to the try_compile */
- if (this->Makefile->GetDefinition("CMAKE_OSX_DEPLOYMENT_TARGET") != 0) {
- std::string flag = "-DCMAKE_OSX_DEPLOYMENT_TARGET=";
- flag += this->Makefile->GetSafeDefinition("CMAKE_OSX_DEPLOYMENT_TARGET");
- cmakeFlags.push_back(flag);
- }
- if (const char* cxxDef =
- this->Makefile->GetDefinition("CMAKE_CXX_COMPILER_TARGET")) {
- std::string flag = "-DCMAKE_CXX_COMPILER_TARGET=";
- flag += cxxDef;
- cmakeFlags.push_back(flag);
- }
- if (const char* cDef =
- this->Makefile->GetDefinition("CMAKE_C_COMPILER_TARGET")) {
- std::string flag = "-DCMAKE_C_COMPILER_TARGET=";
- flag += cDef;
- cmakeFlags.push_back(flag);
- }
- if (const char* tcxxDef = this->Makefile->GetDefinition(
- "CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN")) {
- std::string flag = "-DCMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN=";
- flag += tcxxDef;
- cmakeFlags.push_back(flag);
- }
- if (const char* tcDef = this->Makefile->GetDefinition(
- "CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN")) {
- std::string flag = "-DCMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN=";
- flag += tcDef;
- cmakeFlags.push_back(flag);
- }
- if (const char* rootDef = this->Makefile->GetDefinition("CMAKE_SYSROOT")) {
- std::string flag = "-DCMAKE_SYSROOT=";
- flag += rootDef;
- cmakeFlags.push_back(flag);
- }
- if (this->Makefile->GetDefinition("CMAKE_POSITION_INDEPENDENT_CODE") !=
- 0) {
- fprintf(fout, "set(CMAKE_POSITION_INDEPENDENT_CODE \"ON\")\n");
- }
- if (const char* lssDef =
- this->Makefile->GetDefinition("CMAKE_LINK_SEARCH_START_STATIC")) {
- fprintf(fout, "set(CMAKE_LINK_SEARCH_START_STATIC \"%s\")\n", lssDef);
- }
- if (const char* lssDef =
- this->Makefile->GetDefinition("CMAKE_LINK_SEARCH_END_STATIC")) {
- fprintf(fout, "set(CMAKE_LINK_SEARCH_END_STATIC \"%s\")\n", lssDef);
+ // Forward a set of variables to the inner project cache.
+ {
+ std::set<std::string> vars;
+ vars.insert(kCMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN);
+ vars.insert(kCMAKE_C_COMPILER_TARGET);
+ vars.insert(kCMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN);
+ vars.insert(kCMAKE_CXX_COMPILER_TARGET);
+ vars.insert(kCMAKE_ENABLE_EXPORTS);
+ vars.insert(kCMAKE_LINK_SEARCH_END_STATIC);
+ vars.insert(kCMAKE_LINK_SEARCH_START_STATIC);
+ vars.insert(kCMAKE_OSX_ARCHITECTURES);
+ vars.insert(kCMAKE_OSX_DEPLOYMENT_TARGET);
+ vars.insert(kCMAKE_OSX_SYSROOT);
+ vars.insert(kCMAKE_POSITION_INDEPENDENT_CODE);
+ vars.insert(kCMAKE_SYSROOT);
+
+ if (const char* varListStr = this->Makefile->GetDefinition(
+ kCMAKE_TRY_COMPILE_PLATFORM_VARIABLES)) {
+ std::vector<std::string> varList;
+ cmSystemTools::ExpandListArgument(varListStr, varList);
+ vars.insert(varList.begin(), varList.end());
+ }
+
+ /* for the TRY_COMPILEs we want to be able to specify the architecture.
+ So the user can set CMAKE_OSX_ARCHITECTURES to i386;ppc and then set
+ CMAKE_TRY_COMPILE_OSX_ARCHITECTURES first to i386 and then to ppc to
+ have the tests run for each specific architecture. Since
+ cmLocalGenerator doesn't allow building for "the other"
+ architecture only via CMAKE_OSX_ARCHITECTURES.
+ */
+ if (const char* tcArchs = this->Makefile->GetDefinition(
+ kCMAKE_TRY_COMPILE_OSX_ARCHITECTURES)) {
+ vars.erase(kCMAKE_OSX_ARCHITECTURES);
+ std::string flag = "-DCMAKE_OSX_ARCHITECTURES=" + std::string(tcArchs);
+ cmakeFlags.push_back(flag);
+ }
+
+ for (std::set<std::string>::iterator vi = vars.begin(); vi != vars.end();
+ ++vi) {
+ std::string const& var = *vi;
+ if (const char* val = this->Makefile->GetDefinition(var)) {
+ std::string flag = "-D" + var + "=" + val;
+ cmakeFlags.push_back(flag);
+ }
+ }
}
/* Set the appropriate policy information for ENABLE_EXPORTS */
@@ -461,10 +460,6 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv,
cmPolicies::NEW
? "NEW"
: "OLD");
- if (const char* ee =
- this->Makefile->GetDefinition("CMAKE_ENABLE_EXPORTS")) {
- fprintf(fout, "set(CMAKE_ENABLE_EXPORTS %s)\n", ee);
- }
if (targetType == cmState::EXECUTABLE) {
/* Put the executable at a known location (for COPY_FILE). */