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| author | bdrewery <bdrewery@FreeBSD.org> | 2015-10-20 20:37:00 +0000 |
|---|---|---|
| committer | bdrewery <bdrewery@FreeBSD.org> | 2015-10-20 20:37:00 +0000 |
| commit | 235f7c0a8ee73d53f7839a231553d209705c70e3 (patch) | |
| tree | af2b3722bc53aacaf7e549dbe24281939a67fbfc /share/mk | |
| parent | a4eadb1256729b6022936cd04486358a48f355cc (diff) | |
| download | FreeBSD-src-235f7c0a8ee73d53f7839a231553d209705c70e3.zip FreeBSD-src-235f7c0a8ee73d53f7839a231553d209705c70e3.tar.gz | |
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
Diffstat (limited to 'share/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 46cc8c3..3ba5130 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 |
