mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-01 05:55:23 +08:00
30 lines
1.3 KiB
Plaintext
30 lines
1.3 KiB
Plaintext
# The -mdynamic-no-pic ensures that the compiler executable is built without
|
|
# position-independent-code -- the usual default on Darwin. This fix speeds
|
|
# compiles by 3-5%. Don't add it if the compiler doesn't also support
|
|
# -mno-dynamic-no-pic to undo it.
|
|
DARWIN_MDYNAMIC_NO_PIC := \
|
|
`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
|
|
$(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null \
|
|
&& echo -mdynamic-no-pic ;; esac`
|
|
DARWIN_GCC_MDYNAMIC_NO_PIC := \
|
|
`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
|
|
$(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null \
|
|
|| echo -mdynamic-no-pic ;; esac`
|
|
|
|
# ld on Darwin versions >= 10.7 defaults to PIE executables. Disable this for
|
|
# gcc components, since it is incompatible with our pch implementation.
|
|
DARWIN_NO_PIE := `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
|
|
|
|
BOOT_CFLAGS += $(DARWIN_MDYNAMIC_NO_PIC)
|
|
BOOT_LDFLAGS += $(DARWIN_NO_PIE)
|
|
|
|
# Similarly, for cross-compilation.
|
|
STAGE1_CFLAGS += $(DARWIN_MDYNAMIC_NO_PIC)
|
|
STAGE1_LDFLAGS += $(DARWIN_NO_PIE)
|
|
|
|
# Without -mno-dynamic-no-pic support, add -mdynamic-no-pic just to later
|
|
# stages when we know it is built with gcc.
|
|
STAGE2_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
|
|
STAGE3_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
|
|
STAGE4_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
|