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Add a note about DEPFLAGS which is currently a hack around not properly passing

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CXXFLAGS to sub-makes.

The bad passing also causes bsd.dep.mk's logic to selectively pull only some
flags from C[XX]FLAGS to not apply which can be seen with '-L' being passed to
mkdep when using an external compiler.
This commit is contained in:
Bryan Drewery 2015-10-26 19:28:20 +00:00
parent 86a1e16def
commit 6aa2fe8969
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=290019
1 changed files with 3 additions and 0 deletions
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Makefile.inc1
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@ -398,6 +398,9 @@ TARGET_ABI= gnueabi
.if defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc
XCFLAGS+= -isystem ${WORLDTMP}/usr/include -L${WORLDTMP}/usr/lib
XCXXFLAGS+= -I${WORLDTMP}/usr/include/c++/v1 -std=gnu++11 -L${WORLDTMP}/../lib/libc++
# XXX: DEPFLAGS is a workaround for not properly passing CXXFLAGS to sub-makes
# due to CXX="${XCXX} ${XCXXFLAGS}". bsd.dep.mk does use CXXFLAGS when
# building C++ files so this can come out if passing CXXFLAGS down is fixed.
DEPFLAGS+= -I${WORLDTMP}/usr/include/c++/v1
.else
TARGET_ABI?= unknown