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Always use pthread

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After a858defd33, the pthread implementation of `NativeThread` is always used (except MSVC), as:

1. `-DUSE_PTHREADS` is defined when `comp` is not `mingw`
2. the pthread implementation is used anyways because MinGW defines `__MINGW32__` or `__MINGW64__` macro

closes https://github.com/official-stockfish/Stockfish/pull/6985

No functional change
This commit is contained in:
Syine Mineta
2026-07-20 11:01:40 +02:00
committed by Joost VandeVondele
parent d70dec7d6f
commit 4d75fd4f70
3 changed files with 44 additions and 44 deletions
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src/Makefile
+19 -23
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@@ -90,7 +90,7 @@ HEADERS = attacks.h benchmark.h bitboard.h evaluate.h misc.h movegen.h movepick.
nnue/layers/affine_transform.h nnue/layers/affine_transform_sparse_input.h \
nnue/layers/clipped_relu.h nnue/layers/sqr_clipped_relu.h nnue/nnue_accumulator.h \
nnue/nnue_architecture.h nnue/nnue_common.h nnue/nnue_feature_transformer.h nnue/simd.h \
nnue/nnz_helper.h position.h search.h syzygy/tbprobe.h thread.h thread_win32_osx.h timeman.h \
nnue/nnz_helper.h position.h search.h syzygy/tbprobe.h thread.h thread_native.h timeman.h \
tt.h tune.h types.h uci.h ucioption.h perft.h nnue/network.h engine.h score.h numa.h memory.h shm.h shm_linux.h
OBJS = $(notdir $(SRCS:.cpp=.o))
@@ -685,31 +685,27 @@ else ifeq ($(COMP),mingw)
CXXFLAGS += -fno-ipa-cp-clone
endif
### On mingw use Windows threads, otherwise POSIX
ifneq ($(comp),mingw)
CXXFLAGS += -DUSE_PTHREADS
# On Android Bionic's C library comes with its own pthread implementation bundled in
ifneq ($(OS),Android)
# Haiku has pthreads in its libroot, so only link it in on other platforms
ifneq ($(KERNEL),Haiku)
ifneq ($(COMP),ndk)
ifneq ($(arch),wasm32)
LDFLAGS += -lpthread
# On Android Bionic's C library comes with its own pthread implementation bundled in
ifneq ($(OS),Android)
# Haiku has pthreads in its libroot, so only link it in on other platforms
ifneq ($(KERNEL),Haiku)
ifneq ($(COMP),ndk)
ifneq ($(arch),wasm32)
LDFLAGS += -lpthread
add_lrt = yes
ifeq ($(target_windows),yes)
add_lrt = no
endif
ifeq ($(TARGET_KERNEL),Darwin)
add_lrt = no
endif
ifeq ($(add_lrt),yes)
LDFLAGS += -lrt
endif
add_lrt = yes
ifeq ($(target_windows),yes)
add_lrt = no
endif
ifeq ($(TARGET_KERNEL),Darwin)
add_lrt = no
endif
ifeq ($(add_lrt),yes)
LDFLAGS += -lrt
endif
endif
endif
endif
endif