This broke Jenkins builds. :( https://ci.freebsd.org/job/FreeBSD-head-armv7-build/8689/
-Max On Mon, Apr 6, 2020 at 6:49 PM Bryan Drewery <bdrew...@freebsd.org> wrote: > On 4/6/2020 4:38 PM, Brooks Davis wrote: > > Author: brooks > > Date: Mon Apr 6 23:38:46 2020 > > New Revision: 359681 > > URL: https://svnweb.freebsd.org/changeset/base/359681 > > > > Log: > > Fix compilation with upstream clang builtin headers. > > > > By using -nobuiltininc and adding the clang builtin headers resource > dir > > to the end of the compiler header search path, we can still find > headers > > such as immintrin.h but find the FreeBSD version of > stddef.h/stdarg.h/.. > > first. > > > > This is a workaround until we are able to settle on and complete a plan > > to harmonize guard macros with LLVM. We've mostly worked out this on > > FreeBSD systems by removing select headers from the installed set of > > devel/llvm*, but that isn't a good solution for cross build. > > > > Submitted by: arichardson > > Obtained from: CheriBSD > > Sponsored by: DARPA, AFRL > > Differential Revision: https://reviews.freebsd.org/D17002 > > > > Modified: > > head/Makefile.inc1 > > head/share/mk/bsd.compiler.mk > > head/share/mk/bsd.sys.mk > > > > Modified: head/Makefile.inc1 > > > ============================================================================== > > --- head/Makefile.inc1 Mon Apr 6 23:28:24 2020 (r359680) > > +++ head/Makefile.inc1 Mon Apr 6 23:38:46 2020 (r359681) > > @@ -337,6 +337,7 @@ _TOOLCHAIN_METADATA_VARS= COMPILER_VERSION \ > > COMPILER_TYPE \ > > COMPILER_FEATURES \ > > COMPILER_FREEBSD_VERSION \ > > + COMPILER_RESOURCE_DIR \ > > LINKER_VERSION \ > > LINKER_FEATURES \ > > LINKER_TYPE \ > > > > Modified: head/share/mk/bsd.compiler.mk > > > ============================================================================== > > --- head/share/mk/bsd.compiler.mk Mon Apr 6 23:28:24 2020 > (r359680) > > +++ head/share/mk/bsd.compiler.mk Mon Apr 6 23:38:46 2020 > (r359681) > > @@ -143,7 +143,7 @@ _cc_vars+=XCC X_ > > # The value is only used/exported for the same environment that impacts > > # CC and COMPILER_* settings here. > > _exported_vars= ${X_}COMPILER_TYPE ${X_}COMPILER_VERSION \ > > - ${X_}COMPILER_FREEBSD_VERSION > > + ${X_}COMPILER_FREEBSD_VERSION ${X_}COMPILER_RESOURCE_DIR > > ${X_}_cc_hash= ${${cc}}${MACHINE}${PATH} > > ${X_}_cc_hash:= ${${X_}_cc_hash:hash} > > # Only import if none of the vars are set somehow else. > > @@ -201,6 +201,10 @@ ${X_}COMPILER_FREEBSD_VERSION= unknown > > .endif > > .endif > > > > +.if !defined(${X_}COMPILER_RESOURCE_DIR) > > +${X_}COMPILER_RESOURCE_DIR!= ${${cc}:N${CCACHE_BIN}} > -print-resource-dir 2>/dev/null || echo unknown > > +.endif > > + > > ${X_}COMPILER_FEATURES= > > .if (${${X_}COMPILER_TYPE} == "clang" && ${${X_}COMPILER_VERSION} >= > 30300) || \ > > (${${X_}COMPILER_TYPE} == "gcc" && ${${X_}COMPILER_VERSION} >= > 40800) > > @@ -224,6 +228,7 @@ X_COMPILER_TYPE= ${COMPILER_TYPE} > > X_COMPILER_VERSION= ${COMPILER_VERSION} > > X_COMPILER_FREEBSD_VERSION= ${COMPILER_FREEBSD_VERSION} > > X_COMPILER_FEATURES= ${COMPILER_FEATURES} > > +X_COMPILER_RESOURCE_DIR= ${COMPILER_RESOURCE_DIR} > > .endif # ${cc} == "CC" || (${cc} == "XCC" && ${XCC} != ${CC}) > > > > # Export the values so sub-makes don't have to look them up again, > using the > > > > Modified: head/share/mk/bsd.sys.mk > > > ============================================================================== > > --- head/share/mk/bsd.sys.mk Mon Apr 6 23:28:24 2020 (r359680) > > +++ head/share/mk/bsd.sys.mk Mon Apr 6 23:38:46 2020 (r359681) > > @@ -206,6 +206,21 @@ CWARNFLAGS+= -Wno-unknown-pragmas > > # This warning is utter nonsense > > CFLAGS+= -Wno-format-zero-length > > > > +.if ${COMPILER_TYPE} == "clang" > > +# The headers provided by clang are incompatible with the FreeBSD > headers. > > +# If the version of clang is not one that has been patched to omit the > > +# incompatible headers, we need to compile with -nobuiltininc and add > the > > +# resource dir to the end of the search paths. This ensures that > headers such as > > +# immintrin.h are still found but stddef.h, etc. are picked up from > FreeBSD. > > +# > > +# XXX: This is a hack to support complete external installs of clang > while > > +# we work to synchronize our decleration guards with those in the clang > tree. > > +.if ${MK_CLANG_BOOTSTRAP} == "no" && ${COMPILER_RESOURCE_DIR} != > "unknown" && \ > > + !defined(BOOTSTRAPPING) > > I just realized MK_CLANG_BOOTSTRAP is not going to be defined here > outside of the tree. Adding :Uno will fix it. Keep in mind this current > change and the next will affect ports. It looks like by default clang > will always get these flags added on. > > > +CFLAGS+=-nobuiltininc -idirafter ${COMPILER_RESOURCE_DIR}/include > > +.endif > > +.endif > > + > > CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3\ > > -mllvm -simplifycfg-dup-ret > > .if ${COMPILER_VERSION} >= 30500 && ${COMPILER_VERSION} < 30700 > > > > > -- > Regards, > Bryan Drewery > > _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
