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VS: Add support for SYSTEM include directories

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Fixes: #17904
This commit is contained in:
Josiah Bills
2022-05-03 16:38:07 -04:00
committed by Josiah Bills
parent e0dbca93aa
commit 7a2496daad
4 changed files with 46 additions and 10 deletions
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4
Help/release/dev/vs-system-include.rst Normal file
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@@ -0,0 +1,4 @@
vs-system-include
-----------------
* :ref:`Visual Studio Generators` now support ``SYSTEM`` headers.

43
Source/cmVisualStudio10TargetGenerator.cxx
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@@ -3356,6 +3356,43 @@ bool cmVisualStudio10TargetGenerator::ComputeClOptions(
}
}
// Get includes for this target
if (!this->LangForClCompile.empty()) {
auto includeList = this->GetIncludes(configName, this->LangForClCompile);
auto sysIncludeFlag = this->Makefile->GetDefinition(
cmStrCat("CMAKE_INCLUDE_SYSTEM_FLAG_", this->LangForClCompile));
if (sysIncludeFlag) {
bool gotOneSys = false;
for (auto i : includeList) {
cmSystemTools::ConvertToUnixSlashes(i);
if (this->GeneratorTarget->IsSystemIncludeDirectory(
i, configName, this->LangForClCompile)) {
auto flag = cmTrimWhitespace(*sysIncludeFlag);
if (this->MSTools) {
cmSystemTools::ReplaceString(flag, "-external:I", "/external:I");
}
clOptions.AppendFlagString("AdditionalOptions",
cmStrCat(flag, " \"", i, '"'));
gotOneSys = true;
} else {
clOptions.AddInclude(i);
}
}
if (gotOneSys) {
if (auto sysIncludeFlagWarning = this->Makefile->GetDefinition(
cmStrCat("_CMAKE_INCLUDE_SYSTEM_FLAG_", this->LangForClCompile,
"_WARNING"))) {
flags = cmStrCat(flags, ' ', *sysIncludeFlagWarning);
}
}
} else {
clOptions.AddIncludes(includeList);
}
}
clOptions.Parse(flags);
clOptions.Parse(defineFlags);
std::vector<std::string> targetDefines;
@@ -3382,12 +3419,6 @@ bool cmVisualStudio10TargetGenerator::ComputeClOptions(
clOptions.AppendFlag("DefineConstants", targetDefines);
}
// Get includes for this target
if (!this->LangForClCompile.empty()) {
clOptions.AddIncludes(
this->GetIncludes(configName, this->LangForClCompile));
}
if (this->MSTools) {
clOptions.SetVerboseMakefile(
this->Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE"));

6
Tests/IncludeDirectories/CMakeLists.txt
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@@ -11,11 +11,11 @@ if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREA
OR CMAKE_C_COMPILER_ID STREQUAL AppleClang
OR CMAKE_C_COMPILER_ID STREQUAL LCC
OR ("x${CMAKE_C_COMPILER_ID}" STREQUAL "xMSVC" AND
CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "19.29.30036.3" AND
NOT CMAKE_GENERATOR MATCHES "Visual Studio")) # No support for VS generators yet.
CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "19.29.30036.3"))
AND (CMAKE_GENERATOR STREQUAL "Unix Makefiles"
OR CMAKE_GENERATOR STREQUAL "Ninja"
OR (CMAKE_GENERATOR STREQUAL "Xcode" AND NOT XCODE_VERSION VERSION_LESS 6.0)))
OR (CMAKE_GENERATOR STREQUAL "Xcode" AND NOT XCODE_VERSION VERSION_LESS 6.0)
OR CMAKE_GENERATOR MATCHES "Visual Studio"))
if ("x${CMAKE_C_COMPILER_ID}" STREQUAL "xMSVC")
set(run_sys_includes_test 1)
else ()

3
Tests/IncludeDirectories/SystemIncludeDirectories/CMakeLists.txt
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@@ -23,7 +23,8 @@ target_include_directories(upstream SYSTEM PUBLIC
)
add_library(config_specific INTERFACE)
if(CMAKE_GENERATOR STREQUAL "Xcode")
get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(isMultiConfig)
# CMAKE_BUILD_TYPE does not work here for multi-config generators
target_include_directories(config_specific SYSTEM INTERFACE
"${CMAKE_CURRENT_SOURCE_DIR}/config_specific"