detect linker version instead of compiler version

This commit is contained in:
cebtenzzre 2023-11-14 00:04:01 -05:00
parent 63c950c5b7
commit 7962d0a789
3 changed files with 16 additions and 2 deletions

View file

@ -458,6 +458,15 @@ if (LLAMA_LTO)
endif() endif()
endif() endif()
# this version of Apple ld64 is buggy
execute_process(
COMMAND ${CMAKE_C_COMPILER} ${CMAKE_EXE_LINKER_FLAGS} -Wl,-v
ERROR_VARIABLE output
)
if (output MATCHES "dyld-1015\.7")
add_compile_definitions(-DBUGGY_APPLE_LINKER)
endif()
# Architecture specific # Architecture specific
# TODO: probably these flags need to be tweaked on some architectures # TODO: probably these flags need to be tweaked on some architectures
# feel free to update the Makefile for your architecture and send a pull request or issue # feel free to update the Makefile for your architecture and send a pull request or issue

View file

@ -239,6 +239,11 @@ else
endif endif
endif endif
# this version of Apple ld64 is buggy
ifneq '' '$(findstring dyld-1015.7,$(shell $(CC) $(LDFLAGS) -Wl,-v 2>&1))'
MK_CPPFLAGS += -DBUGGY_APPLE_LINKER
endif
# OS specific # OS specific
# TODO: support Windows # TODO: support Windows
ifneq '' '$(filter $(UNAME_S),Linux Darwin FreeBSD NetBSD OpenBSD Haiku)' ifneq '' '$(filter $(UNAME_S),Linux Darwin FreeBSD NetBSD OpenBSD Haiku)'

View file

@ -1273,8 +1273,8 @@ static float make_qkx2_quants(int n, int nmax, const float * restrict x, const f
float max = x[0]; float max = x[0];
float sum_w = weights[0]; float sum_w = weights[0];
float sum_x = sum_w * x[0]; float sum_x = sum_w * x[0];
#if defined(__APPLE__) && defined(__clang_major__) && __clang_major__ >= 15 #ifdef BUGGY_APPLE_LINKER
// use 'volatile' to prevent unroll and work around a bug in Apple clang 15.x.x with -O3 flag // use 'volatile' to prevent unroll and work around a bug in Apple ld64 1015.7
for (volatile int i = 1; i < n; ++i) { for (volatile int i = 1; i < n; ++i) {
#else #else
for (int i = 1; i < n; ++i) { for (int i = 1; i < n; ++i) {