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Fix build issues with mingw toolchain

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With a x86_64-pc-mingw32 toolchain there is a build issue
whether or not the --disable-threading option is used.
The problem happens because _WIN32_WINNT is defined to 0x501
before #include <mutex> which makes the compilation abort
due to missing support for __gthread_cond_t in std_mutex.h,
which is conditional on _WIN32_WINNT >= 0x600.

Fix the case when --disable-threading is used, by only
including <mutex> in gdb/complaints.c when STD_CXX_THREAD
is defined.

Additionally make the configure script try to #include <mutex>
to automatically select --disable-threading when the header file
is not able to compile.

Approved-By: Tom Tromey <tom@tromey.com>
This commit is contained in:
Bernd Edlinger
2024-05-06 07:07:07 +02:00
parent 147fe7f9fb
commit 45e83f8658
5 changed files with 6 additions and 0 deletions
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gdbsupport/configure vendored
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@@ -12335,6 +12335,7 @@ else
# endif
#endif /* __MINGW32__ || __CYGWIN__ */
#include <thread>
#include <mutex>
void callback() { }
int
main ()