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-rw-r--r--clang/lib/Driver/ToolChains/MinGW.cpp28
-rw-r--r--clang/test/Driver/mingw-windowsapp.c6
2 files changed, 26 insertions, 8 deletions
diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
index da71a84b760..a88e00f0c8e 100644
--- a/clang/lib/Driver/ToolChains/MinGW.cpp
+++ b/clang/lib/Driver/ToolChains/MinGW.cpp
@@ -201,6 +201,14 @@ void tools::MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-Bdynamic");
}
+ bool HasWindowsApp = false;
+ for (auto Lib : Args.getAllArgValues(options::OPT_l)) {
+ if (Lib == "windowsapp") {
+ HasWindowsApp = true;
+ break;
+ }
+ }
+
if (!Args.hasArg(options::OPT_nostdlib)) {
if (!Args.hasArg(options::OPT_nodefaultlibs)) {
if (Args.hasArg(options::OPT_static))
@@ -223,15 +231,19 @@ void tools::MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA,
if (Args.hasArg(options::OPT_pthread))
CmdArgs.push_back("-lpthread");
- // add system libraries
- if (Args.hasArg(options::OPT_mwindows)) {
- CmdArgs.push_back("-lgdi32");
- CmdArgs.push_back("-lcomdlg32");
+ if (!HasWindowsApp) {
+ // Add system libraries. If linking to libwindowsapp.a, that import
+ // library replaces all these and we shouldn't accidentally try to
+ // link to the normal desktop mode dlls.
+ if (Args.hasArg(options::OPT_mwindows)) {
+ CmdArgs.push_back("-lgdi32");
+ CmdArgs.push_back("-lcomdlg32");
+ }
+ CmdArgs.push_back("-ladvapi32");
+ CmdArgs.push_back("-lshell32");
+ CmdArgs.push_back("-luser32");
+ CmdArgs.push_back("-lkernel32");
}
- CmdArgs.push_back("-ladvapi32");
- CmdArgs.push_back("-lshell32");
- CmdArgs.push_back("-luser32");
- CmdArgs.push_back("-lkernel32");
if (Args.hasArg(options::OPT_static))
CmdArgs.push_back("--end-group");
diff --git a/clang/test/Driver/mingw-windowsapp.c b/clang/test/Driver/mingw-windowsapp.c
new file mode 100644
index 00000000000..bf6f2ec3fa3
--- /dev/null
+++ b/clang/test/Driver/mingw-windowsapp.c
@@ -0,0 +1,6 @@
+// RUN: %clang -v -target i686-pc-windows-gnu -### %s 2>&1 | FileCheck -check-prefix=CHECK_DEFAULT %s
+// RUN: %clang -v -target i686-pc-windows-gnu -### %s -lwindowsapp 2>&1 | FileCheck -check-prefix=CHECK_WINDOWSAPP %s
+
+// CHECK_DEFAULT: "-lmsvcrt" "-ladvapi32" "-lshell32" "-luser32" "-lkernel32" "-lmingw32"
+// CHECK_WINDOWSAPP: "-lwindowsapp" "-lmingw32"
+// CHECK_WINDOWSAPP-SAME: "-lmsvcrt" "-lmingw32"
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