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author | dim <dim@FreeBSD.org> | 2012-06-03 20:35:41 +0000 |
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committer | dim <dim@FreeBSD.org> | 2012-06-03 20:35:41 +0000 |
commit | a0a31e8b37066f40c455b46339ef12ec8a9ad5e0 (patch) | |
tree | 37e981a92a2453b2d59fd54246a225fcf318f59f | |
parent | c875946e795a2d59b25dfe0f44ff168c598074d7 (diff) | |
download | FreeBSD-src-a0a31e8b37066f40c455b46339ef12ec8a9ad5e0.zip FreeBSD-src-a0a31e8b37066f40c455b46339ef12ec8a9ad5e0.tar.gz |
During buildworld and buildkernel, define EARLY_BUILD in the earlier
stages (build-tools, cross-tools, etc) of the build, so we can detect in
bsd.*.mk whether to pass compiler-specific flags to ${CC}.
In particular, this commit will allow using WITH_CLANG_IS_CC when the
base compiler is still gcc, and when ${CC}, ${CXX} and ${CPP} are left
at their defaults. The early stages will then be built using gcc, and
no clang-specific flags will be passed to it. The later stages will be
built as usual.
The EARLY_BUILD define can also serve other uses, such as building the
world stage C++ executables with libc++ instead of libstdc++: during the
early build stages, we cannot assume libc++ is already available, so we
must still build with libstdc++ at that time.
MFC after: 1 week
-rw-r--r-- | Makefile.inc1 | 11 | ||||
-rw-r--r-- | share/mk/bsd.sys.mk | 9 |
2 files changed, 12 insertions, 8 deletions
diff --git a/Makefile.inc1 b/Makefile.inc1 index 3cfebc2..be411a8 100644 --- a/Makefile.inc1 +++ b/Makefile.inc1 @@ -242,7 +242,7 @@ BMAKE= MAKEOBJDIRPREFIX=${WORLDTMP} \ SSP_CFLAGS= \ -DWITHOUT_HTML -DWITHOUT_INFO -DNO_LINT -DWITHOUT_MAN \ -DNO_PIC -DNO_PROFILE -DNO_SHARED \ - -DNO_CPU_CFLAGS -DNO_WARNS -DNO_CTF + -DNO_CPU_CFLAGS -DNO_WARNS -DNO_CTF -DEARLY_BUILD # build-tools stage TMAKE= MAKEOBJDIRPREFIX=${OBJTREE} \ @@ -252,7 +252,7 @@ TMAKE= MAKEOBJDIRPREFIX=${OBJTREE} \ BOOTSTRAPPING=${OSRELDATE} \ SSP_CFLAGS= \ -DNO_LINT \ - -DNO_CPU_CFLAGS -DNO_WARNS -DNO_CTF + -DNO_CPU_CFLAGS -DNO_WARNS -DNO_CTF -DEARLY_BUILD # cross-tools stage XMAKE= TOOLS_PREFIX=${WORLDTMP} ${BMAKE} \ @@ -487,7 +487,8 @@ build32: .for _dir in lib/ncurses/ncurses lib/ncurses/ncursesw lib/libmagic cd ${.CURDIR}/${_dir}; \ MAKEOBJDIRPREFIX=${OBJTREE}/lib32 ${MAKE} SSP_CFLAGS= DESTDIR= \ - DIRPRFX=${_dir}/ build-tools + DIRPRFX=${_dir}/ -DNO_LINT -DNO_CPU_CFLAGS -DNO_WARNS -DNO_CTF \ + -DEARLY_BUILD build-tools .endfor cd ${.CURDIR}; \ ${LIB32WMAKE} -f Makefile.inc1 libraries @@ -829,7 +830,7 @@ buildkernel: cd ${KRNLOBJDIR}/${_kernel}; \ PATH=${BPATH}:${PATH} \ MAKESRCPATH=${KERNSRCDIR}/dev/aic7xxx/aicasm \ - ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF \ + ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF -DEARLY_BUILD \ -f ${KERNSRCDIR}/dev/aic7xxx/aicasm/Makefile # XXX - Gratuitously builds aicasm in the ``makeoptions NO_MODULES'' case. .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists(${KERNSRCDIR}/modules) @@ -837,7 +838,7 @@ buildkernel: cd ${KERNSRCDIR}/modules/aic7xxx/aicasm; \ PATH=${BPATH}:${PATH} \ MAKEOBJDIRPREFIX=${KRNLOBJDIR}/${_kernel}/modules \ - ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF ${target} + ${MAKE} SSP_CFLAGS= -DNO_CPU_CFLAGS -DNO_CTF -DEARLY_BUILD ${target} .endfor .endif .if !defined(NO_KERNELDEPEND) diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk index f023750..28c1a18 100644 --- a/share/mk/bsd.sys.mk +++ b/share/mk/bsd.sys.mk @@ -61,7 +61,8 @@ CWARNFLAGS+= -Wno-uninitialized CWARNFLAGS+= -Wno-pointer-sign # Clang has more warnings enabled by default, and when using -Wall, so if WARNS # is set to low values, these have to be disabled explicitly. -.if ${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang" +.if (${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang") && \ + !defined(EARLY_BUILD) .if ${WARNS} <= 6 CWARNFLAGS+= -Wno-empty-body -Wno-string-plus-int .endif # WARNS <= 6 @@ -88,7 +89,8 @@ WFORMAT= 1 .if ${WFORMAT} > 0 #CWARNFLAGS+= -Wformat-nonliteral -Wformat-security -Wno-format-extra-args CWARNFLAGS+= -Wformat=2 -Wno-format-extra-args -.if ${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang" +.if (${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang") && \ + !defined(EARLY_BUILD) .if ${WARNS} <= 3 CWARNFLAGS+= -Wno-format-nonliteral .endif # WARNS <= 3 @@ -109,7 +111,8 @@ CWARNFLAGS+= -Wno-format CWARNFLAGS+= -Wno-unknown-pragmas .endif # IGNORE_PRAGMA -.if ${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang" +.if (${MK_CLANG_IS_CC} != "no" || ${CC:T:Mclang} == "clang") && \ + !defined(EARLY_BUILD) CLANG_NO_IAS= -no-integrated-as CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3\ -mllvm -enable-load-pre=false -mllvm -simplifycfg-dup-ret |