Merge topic 'apple-arch-sysroots' into release-3.17

84a1e67380 Apple: Fix mapping CMAKE_APPLE_ARCH_SYSROOTS to custom OSX_ARCHITECTURES
45fa9b32ca Apple: Improve handling of missing SDKs in CMAKE_APPLE_ARCH_SYSROOTS

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !4583
This commit is contained in:
Brad King
2020-04-09 12:10:46 +00:00
committed by Kitware Robot
3 changed files with 31 additions and 13 deletions

View File

@@ -136,7 +136,7 @@ endfunction()
# Handle multi-arch sysroots. Do this before CMAKE_OSX_SYSROOT is
# transformed into a path, so that we know the sysroot name.
function(_apple_resolve_multi_arch_sysroots)
if(CMAKE_APPLE_ARCH_SYSROOTS)
if(DEFINED CMAKE_APPLE_ARCH_SYSROOTS)
return() # Already cached
endif()
@@ -202,7 +202,7 @@ function(_apple_resolve_multi_arch_sysroots)
list(APPEND _arch_sysroots ${_arch_sysroot})
else()
message(WARNING "No SDK found for architecture '${arch}'")
list(APPEND _arch_sysroots "") # Placeholder
list(APPEND _arch_sysroots "${arch}-SDK-NOTFOUND")
endif()
endforeach()

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@@ -131,6 +131,28 @@ cmLocalGenerator::cmLocalGenerator(cmGlobalGenerator* gg, cmMakefile* makefile)
this->LinkerSysroot = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT");
}
if (std::string const* appleArchSysroots =
this->Makefile->GetDef("CMAKE_APPLE_ARCH_SYSROOTS")) {
std::string const& appleArchs =
this->Makefile->GetSafeDefinition("CMAKE_OSX_ARCHITECTURES");
std::vector<std::string> archs;
std::vector<std::string> sysroots;
cmExpandList(appleArchs, archs);
cmExpandList(*appleArchSysroots, sysroots, true);
if (archs.size() == sysroots.size()) {
for (size_t i = 0; i < archs.size(); ++i) {
this->AppleArchSysroots[archs[i]] = sysroots[i];
}
} else {
std::string const e =
cmStrCat("CMAKE_APPLE_ARCH_SYSROOTS:\n ", *appleArchSysroots,
"\n"
"is not the same length as CMAKE_OSX_ARCHITECTURES:\n ",
appleArchs);
this->IssueMessage(MessageType::FATAL_ERROR, e);
}
}
for (std::string const& lang : enabledLanguages) {
if (lang == "NONE") {
continue;
@@ -1792,20 +1814,15 @@ void cmLocalGenerator::AddArchitectureFlags(std::string& flags,
std::string("CMAKE_") + lang + "_SYSROOT_FLAG";
const char* sysrootFlag = this->Makefile->GetDefinition(sysrootFlagVar);
if (sysrootFlag && *sysrootFlag) {
std::vector<std::string> arch_sysroots;
if (const char* arch_sysroots_str =
this->Makefile->GetDefinition("CMAKE_APPLE_ARCH_SYSROOTS")) {
cmExpandList(std::string(arch_sysroots_str), arch_sysroots, true);
}
if (!arch_sysroots.empty()) {
assert(arch_sysroots.size() == archs.size());
for (size_t i = 0; i < archs.size(); ++i) {
if (arch_sysroots[i].empty()) {
if (!this->AppleArchSysroots.empty()) {
for (std::string const& arch : archs) {
std::string const& archSysroot = this->AppleArchSysroots[arch];
if (cmIsOff(archSysroot)) {
continue;
}
flags += " -Xarch_" + archs[i] + " ";
flags += " -Xarch_" + arch + " ";
// Combine sysroot flag and path to work with -Xarch
std::string arch_sysroot = sysrootFlag + arch_sysroots[i];
std::string arch_sysroot = sysrootFlag + archSysroot;
flags += this->ConvertToOutputFormat(arch_sysroot, SHELL);
}
} else if (sysroot && *sysroot) {

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@@ -513,6 +513,7 @@ protected:
std::map<std::string, std::string> VariableMappings;
std::string CompilerSysroot;
std::string LinkerSysroot;
std::unordered_map<std::string, std::string> AppleArchSysroots;
bool EmitUniversalBinaryFlags;