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mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts.

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config:

	* mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts.
	(STAGE1_CFLAGS, STAGE1_LDFLAGS): New.
	Fix over-length lines and amend comments.

From-SVN: r203017
This commit is contained in:
Iain Sandoe 2013-09-29 19:16:45 +00:00 • committed by Iain Sandoe
parent 2c43a51c57
commit 23b740dbc7
2 changed files with 20 additions and 3 deletions
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6
config/ChangeLog
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@ -1,3 +1,9 @@
2013-09-29 Iain Sandoe <iain@codesourcery.com>
* mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts.
(STAGE1_CFLAGS, STAGE1_LDFLAGS): New.
Fix over-length lines and amend comments.
2013-08-30 Marek Polacek <polacek@redhat.com>
* bootstrap-ubsan.mk: New.

17
config/mh-darwin
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@ -1,7 +1,18 @@
# 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%.
BOOT_CFLAGS += -mdynamic-no-pic
BOOT_CFLAGS += \
`case ${host} in i?86-*-darwin* | powerpc-*-darwin*) \
echo -mdynamic-no-pic ;; esac;`
# Ensure we don't try and use -pie, as it is incompatible with pch.
BOOT_LDFLAGS += `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
# ld on Darwin versions >= 10.7 defaults to PIE executables. Disable this for
# gcc components, since it is incompatible with our pch implementation.
BOOT_LDFLAGS += \
`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
# Similarly, for cross-compilation.
STAGE1_CFLAGS += \
`case ${host} in i?86-*-darwin* | powerpc-*-darwin*)\
echo -mdynamic-no-pic ;; esac;`
STAGE1_LDFLAGS += \
`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`