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comparison config/mh-darwin @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents 561a7518be6b
children
comparison
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68:561a7518be6b 111:04ced10e8804
1 # The -mdynamic-no-pic ensures that the compiler executable is built without 1 # The -mdynamic-no-pic ensures that the compiler executable is built without
2 # position-independent-code -- the usual default on Darwin. This fix speeds 2 # position-independent-code -- the usual default on Darwin. This fix speeds
3 # compiles by 3-5%. 3 # compiles by 3-5%. Don't add it if the compiler doesn't also support
4 # -mno-dynamic-no-pic to undo it.
5 DARWIN_MDYNAMIC_NO_PIC := \
6 `case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
7 $(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null \
8 && echo -mdynamic-no-pic ;; esac`
9 DARWIN_GCC_MDYNAMIC_NO_PIC := \
10 `case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
11 $(CC) -S -xc /dev/null -o /dev/null -mno-dynamic-no-pic 2>/dev/null \
12 || echo -mdynamic-no-pic ;; esac`
4 13
5 BOOT_CFLAGS += -mdynamic-no-pic 14 # ld on Darwin versions >= 10.7 defaults to PIE executables. Disable this for
15 # gcc components, since it is incompatible with our pch implementation.
16 DARWIN_NO_PIE := `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
17
18 BOOT_CFLAGS += $(DARWIN_MDYNAMIC_NO_PIC)
19 BOOT_LDFLAGS += $(DARWIN_NO_PIE)
20
21 # Similarly, for cross-compilation.
22 STAGE1_CFLAGS += $(DARWIN_MDYNAMIC_NO_PIC)
23 STAGE1_LDFLAGS += $(DARWIN_NO_PIE)
24
25 # Without -mno-dynamic-no-pic support, add -mdynamic-no-pic just to later
26 # stages when we know it is built with gcc.
27 STAGE2_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
28 STAGE3_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)
29 STAGE4_CFLAGS += $(DARWIN_GCC_MDYNAMIC_NO_PIC)