https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206484
Bug ID: 206484
Summary: powerpc (non-64) -r294201: /usr/src/Makefile.inc1 can
try -target on gcc 4.2.1's cpp command lines but it is
rejected by cpp
Product: Base System
Version: 11.0-CURRENT
Hardware: ppc
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: mar...@dsl-only.net
[powerpc (non-64) context, so gcc 4.2.1, not clang]
When attempting to buildworld using WITHOUT_GCC_BOOTRAP= for 11.0-CURRENT
-r294201 (a rebuild of what was already running but with debug files turned on)
I got:
--- key_prot.h ---
RPCGEN_CPP=cpp\ -target\ powerpc-unknown-freebsd11.0\
--sysroot=/usr/obj/gcc421/powerpc.powerpc/usr/src/tmp\
-B/usr/obj/gcc421/powerpc.powerpc/usr/src/tmp/usr/bin rpcgen -C -h -DWANT_NFS3
/usr/src/inc
lude/rpcsvc/key_prot.x -o key_prot.h
cpp: powerpc-unknown-freebsd11.0: No such file or directory
cpp: warning: '-x c' after last input file has no effect
cpp: unrecognized option '-target'
cpp: No input files specified
--- includes_subdir_gnu ---
--- includes_subdir_libregex ---
--- includes_subdir_include ---
*** [key_prot.h] Error code 1
make[4]: stopped in /usr/src/include/rpcsvc
--- includes_subdir_lib ---
--- includes_subdir_libelf ---
--- includes_subdir_include ---
1 error
This results from 4.2.1 gcc's cpp not accepting -target and the following in
/usr/src/Makefile.inc1 :
(XCC, XCXX, and XCPP were initially undefined)
XCOMPILERS= CC CXX CPP
.for COMPILER in ${XCOMPILERS}
.if defined(CROSS_COMPILER_PREFIX)
X${COMPILER}?= ${CROSS_COMPILER_PREFIX}${${COMPILER}}
.else
X${COMPILER}?= ${${COMPILER}}
.endif
.endfor
. . .
CROSSENV+= CC="${XCC} ${XCFLAGS}" CXX="${XCXX} ${XCFLAGS} ${XCXXFLAGS}" \
DEPFLAGS="${DEPFLAGS}" \
CPP="${XCPP} ${XCFLAGS}" \
. . .
.if ${XCC:N${CCACHE_BIN}:M/*}
. . .
.if defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc
. . .
.else
TARGET_ABI?= unknown
TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/}-${TARGET_ABI}-freebsd11.0
XCFLAGS+= -target ${TARGET_TRIPLE}
.endif
. . .
.else
. . .
.endif # ${XCC:M/*}
The assumption in the CROSSENV+= that ${XCFLAGS} is always valid in its content
for use with ${XCPP} is false, unfortunately. Other XCFLAGS material from
src.conf or make.conf could create similar problems.
Using WITH_GCC_BOOTSTRAP= instead for the buildworld avoids this issue so long
as my src.conf and make.conf do not set XCFLAGS to something that creates
another problem.
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