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ifneq (,$(and $(isnot_done_ccdefs),$(is_linux)))
is_unix = xxx
is_unixar = xxx
CFLAGS += -Dis_unix
cc_ver = $(shell $(CC) --version)
ifneq (,$(findstring Free Software Foundation,$(cc_ver)))
found_gcc = xxx
endif
ifneq (,$(findstring clang,$(cc_ver)))
found_clang = xxx
endif
ifneq (,$(found_gcc))
is_gcc = xxx
is_gcclike = xxx
gcc_ver = $(shell $(CC) --version)
is_gcc10 = $(findstring 10.,$(gcc_ver))
is_gcc12 = $(findstring 12.,$(gcc_ver))
is_gcc13 = $(findstring 13.,$(gcc_ver))
is_gcc14 = $(findstring 14.,$(gcc_ver))
else ifneq (,$(found_clang))
is_clang = xxx
is_gcclike = xxx
clang_ver = $(shell $(CC) --version)
is_clang18 = $(findstring 18.,$(clang_ver))
is_clang19 = $(findstring 19.,$(clang_ver))
endif
ldd_ver = $(shell ldd --version)
is_glibc231 = $(and $(findstring Free Software Foundation,$(ldd_ver)),$(findstring 2.31,$(ldd_ver)))
is_glibc236 = $(and $(findstring Free Software Foundation,$(ldd_ver)),$(findstring 2.36,$(ldd_ver)))
is_glibc240 = $(and $(findstring Free Software Foundation,$(ldd_ver)),$(findstring 2.40,$(ldd_ver)))
is_cygwin = $(and $(findstring cygwin,$(ldd_ver)))
ifeq (1,2)
else ifneq (,$(and $(is_gcc10),$(is_glibc231)))
# deb11
CFLAGS += -std=c17
CFLAGS += -DMCPC_C23PTCH_KW1
CFLAGS += -DMCPC_C23PTCH_CKD1
CFLAGS += -DMCPC_C23PTCH_UCHAR1
CFLAGS += -DMCPC_C23GIVUP_FIXENUM
is_manual_pthread = xxx
isnot_done_ccdefs =
else ifneq (,$(and $(is_gcc12),$(is_glibc236)))
# deb12
CFLAGS += -std=c17
CFLAGS += -DMCPC_C23PTCH_KW1
CFLAGS += -DMCPC_C23PTCH_CKD1
CFLAGS += -DMCPC_C23PTCH_UCHAR1
CFLAGS += -DMCPC_C23GIVUP_FIXENUM
isnot_done_ccdefs =
else ifneq (,$(and $(is_gcc14),$(is_cygwin)))
# fc41
CFLAGS += -std=c23
CFLAGS += -DMCPC_C23PTCH_UCHAR1
isnot_done_ccdefs =
else ifneq (,$(and $(is_gcc14),$(is_mingw)))
# fc41
CFLAGS += -std=c233
isnot_done_ccdefs =
else ifneq (,$(and $(is_gcc14),$(is_glibc240)))
# fc41
CFLAGS += -std=c23
isnot_done_ccdefs =
else ifneq (,$(and $(is_clang18),$(is_glibc240)))
# fc41
CFLAGS += -std=c23
isnot_done_ccdefs =
else ifneq (,$(and $(is_clang19),$(is_glibc240)))
# fc41
CFLAGS += -std=c23
isnot_done_ccdefs =
endif
endif
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