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authorJoerg Bornemann <joerg.bornemann@qt.io>2021-08-25 11:52:59 +0200
committerQt Cherry-pick Bot <cherrypick_bot@qt-project.org>2021-08-27 14:25:09 +0000
commit9956a9137e6e5ea7916e97712fa55ef8e0303f3e (patch)
tree6dc5e0b1125b08f9e985d7264f198149186b71d1 /qmake
parentfc43df00ca277f9e7a47f85d40b7d8e29597335c (diff)
qmake/vcxproj: Read C language standard from QMAKE_CFLAGS
The vcxproj generator completely ignored QMAKE_CFLAGS and did only read QMAKE_CXXFLAGS. The msbuild-internal "cl compiler tool" contains the flags for both, C and C++. It is to risky to take all QMAKE_CFLAGS into account for the "cl compiler tool", because this might collide with what is specified in QMAKE_CXXFLAGS. Therefore, we only read the /std:... compiler option from QMAKE_CFLAGS and set the LanguageStandard_C flag in the msbuild file. Task-number: QTBUG-89296 Change-Id: I885061802c1350b293a7868d4c9a9367d30e2380 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io> (cherry picked from commit a6a216e31041f6c878a37d9af169f221d99978c8) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
Diffstat (limited to 'qmake')
-rw-r--r--qmake/generators/win32/msvc_vcproj.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/qmake/generators/win32/msvc_vcproj.cpp b/qmake/generators/win32/msvc_vcproj.cpp
index ce4ce5769a..2f91037d05 100644
--- a/qmake/generators/win32/msvc_vcproj.cpp
+++ b/qmake/generators/win32/msvc_vcproj.cpp
@@ -37,6 +37,7 @@
#include <qcryptographichash.h>
#include <qhash.h>
#include <quuid.h>
+#include <qregularexpression.h>
#include <stdlib.h>
@@ -1034,6 +1035,20 @@ void VcprojGenerator::initConfiguration()
initPreLinkEventTools();
}
+// Filter from the given QMAKE_CFLAGS the options that are relevant
+// for the vcxproj-global VCCLCompilerTool.
+static ProStringList relevantCFlags(const ProStringList &flags)
+{
+ ProStringList result;
+ static const QRegularExpression rex("^[/-]std:");
+ for (const ProString &flag : flags) {
+ if (rex.match(flag.toQString()).hasMatch()) {
+ result.append(flag);
+ }
+ }
+ return result;
+}
+
void VcprojGenerator::initCompilerTool()
{
QString placement = project->first("OBJECTS_DIR").toQString();
@@ -1056,6 +1071,7 @@ void VcprojGenerator::initCompilerTool()
conf.compiler.ForcedIncludeFiles = project->values("PRECOMPILED_HEADER").toQStringList();
}
+ conf.compiler.parseOptions(relevantCFlags(project->values("QMAKE_CFLAGS")));
conf.compiler.parseOptions(project->values("QMAKE_CXXFLAGS"));
if (project->isActiveConfig("windows"))