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author | Bryan Drewery <bdrewery@FreeBSD.org> | 2015-10-20 20:37:00 +0000 |
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committer | Bryan Drewery <bdrewery@FreeBSD.org> | 2015-10-20 20:37:00 +0000 |
commit | 13569c0ae5d518d04c3f4795876853803761fbf2 (patch) | |
tree | af2b3722bc53aacaf7e549dbe24281939a67fbfc /share/mk/bsd.compiler.mk | |
parent | 74c52c652633228dead1f7f5e7e46e21cb518a67 (diff) | |
download | src-13569c0ae5d518d04c3f4795876853803761fbf2.tar.gz src-13569c0ae5d518d04c3f4795876853803761fbf2.zip |
Improve safety of caching from r289659 by only importing of none of the
variables are already set. This should cover odd cases such as the
COMPILER_TYPE override in lib/csu/powerpc64.
X-MFC-With: r289659
MFC after: 3 weeks
Sponsored by: EMC / Isilon Storage Division
Notes
Notes:
svn path=/head/; revision=289663
Diffstat (limited to 'share/mk/bsd.compiler.mk')
-rw-r--r-- | share/mk/bsd.compiler.mk | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/share/mk/bsd.compiler.mk b/share/mk/bsd.compiler.mk index 46cc8c37d198..3ba5130b81f3 100644 --- a/share/mk/bsd.compiler.mk +++ b/share/mk/bsd.compiler.mk @@ -31,11 +31,20 @@ __<bsd.compiler.mk>__: _exported_vars= COMPILER_TYPE COMPILER_VERSION _cc_hash= ${CC}${MACHINE}${PATH} _cc_hash:= ${_cc_hash:hash} +# Only import if none of the vars are set somehow else. +_can_export= yes +.for var in ${_exported_vars} +.if defined(${var}) +_can_export= no +.endif +.endfor +.if ${_can_export} == yes .for var in ${_exported_vars} .if defined(${var}.${_cc_hash}) ${var}= ${${var}.${_cc_hash}} .endif .endfor +.endif .if ${MACHINE} == "common" # common is a pseudo machine for architecture independent |