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libgomp: Consider '--with-build-sysroot=[...]' for target libraries' build-tree testing (instead of build-time 'CC' etc.) [PR91884, PR109951]

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This is commit c8e759b421 (Subversion r279708)
"libgomp/test: Fix compilation for build sysroot" and follow-up
commit 749bd22ddc
"libgomp/test: Remove a build sysroot fix regression" done differently,
avoiding build-tree testing use of any random gunk that may appear in
build-time 'CC', 'CXX', 'FC'.

	PR testsuite/91884
	PR testsuite/109951
	libgomp/
	* configure.ac: Revert earlier changes, instead
	'AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)'.
	* Makefile.in: Regenerate.
	* configure: Likewise.
	* testsuite/Makefile.in: Likewise.
	* testsuite/lib/libgomp.exp (libgomp_init): Remove
	"Fix up '-funconfigured-libstdc++-v3' in 'GXX_UNDER_TEST'" code.
	If '--with-build-sysroot=[...]' was specified, use it for
	build-tree testing.
	* testsuite/libgomp-site-extra.exp.in (GCC_UNDER_TEST)
	(GXX_UNDER_TEST, GFORTRAN_UNDER_TEST): Don't set.
	(SYSROOT_CFLAGS_FOR_TARGET): Set.
	* testsuite/libgomp.c++/c++.exp (lang_source_re)
	(lang_include_flags): Set for build-tree testing.
	* testsuite/libgomp.oacc-c++/c++.exp (lang_source_re)
	(lang_include_flags): Likewise.

Co-authored-by: Chung-Lin Tang <cltang@codesourcery.com>
This commit is contained in:
Thomas Schwinge 2023-06-01 23:07:37 +02:00
parent d1bff1ba4d
commit fb5d27be27
8 changed files with 27 additions and 43 deletions
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2
libgomp/Makefile.in
View File

@ -368,7 +368,6 @@ CFLAGS = @CFLAGS@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CPU_COUNT = @CPU_COUNT@
CXX = @CXX@
CYGPATH_W = @CYGPATH_W@
DEFS = @DEFS@
DEPDIR = @DEPDIR@
@ -436,6 +435,7 @@ SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@
STRIP = @STRIP@
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
VERSION = @VERSION@
XCFLAGS = @XCFLAGS@
XLDFLAGS = @XLDFLAGS@

17
libgomp/configure vendored
View File

@ -656,6 +656,7 @@ tmake_file
XLDFLAGS
XCFLAGS
config_path
SYSROOT_CFLAGS_FOR_TARGET
FLOCK
CPU_COUNT
LIBGOMP_BUILD_VERSIONED_SHLIB_SUN_FALSE
@ -679,7 +680,6 @@ libtool_VERSION
ac_ct_FC
FCFLAGS
FC
CXX
MAINT
MAINTAINER_MODE_FALSE
MAINTAINER_MODE_TRUE
@ -11808,22 +11808,11 @@ fi
# We optionally test libgomp C++ support, and for that want to use the proper
# C++ driver, 'g++' (or 'xg++' for build-tree testing). Given that build of
# target libstdc++-v3 depends on target libgomp (see '../Makefile.def'), we
# cannot make build of target libgomp depend on target libstdc++-v3: circular
# dependency. We thus cannot instantiate 'AC_PROG_CXX' here: we'd get
# '-funconfigured-libstdc++-v3' (see '../configure.ac'). Therefore, just
# capture 'CXX', and we'll fix this up at 'make check' time (see
# 'testsuite/lib/libgomp.exp:libgomp_init').
# Create a spec file, so that compile/link tests don't fail
test -f libgfortran.spec || touch libgfortran.spec
FCFLAGS="$FCFLAGS -L."
# We need 'gfortran' to compile parts of the library, and test libgomp Fortran
# support.
# We need gfortran to compile parts of the library
# We can't use AC_PROG_FC because it expects a fully working gfortran.
#AC_PROG_FC(gfortran)
case `echo $GFORTRAN` in
@ -16580,6 +16569,8 @@ fi
fi
# Get target configury.
. ${srcdir}/configure.tgt
CFLAGS="$save_CFLAGS $XCFLAGS"

15
libgomp/configure.ac
View File

@ -151,22 +151,11 @@ AC_SUBST(enable_static)
AM_MAINTAINER_MODE
# We optionally test libgomp C++ support, and for that want to use the proper
# C++ driver, 'g++' (or 'xg++' for build-tree testing). Given that build of
# target libstdc++-v3 depends on target libgomp (see '../Makefile.def'), we
# cannot make build of target libgomp depend on target libstdc++-v3: circular
# dependency. We thus cannot instantiate 'AC_PROG_CXX' here: we'd get
# '-funconfigured-libstdc++-v3' (see '../configure.ac'). Therefore, just
# capture 'CXX', and we'll fix this up at 'make check' time (see
# 'testsuite/lib/libgomp.exp:libgomp_init').
AC_SUBST(CXX)
# Create a spec file, so that compile/link tests don't fail
test -f libgfortran.spec || touch libgfortran.spec
FCFLAGS="$FCFLAGS -L."
# We need 'gfortran' to compile parts of the library, and test libgomp Fortran
# support.
# We need gfortran to compile parts of the library
# We can't use AC_PROG_FC because it expects a fully working gfortran.
#AC_PROG_FC(gfortran)
case `echo $GFORTRAN` in
@ -356,6 +345,8 @@ if test -z "$FLOCK"; then
AC_CHECK_PROG(FLOCK, perl, $srcdir/testsuite/flock)
fi
AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
# Get target configury.
. ${srcdir}/configure.tgt
CFLAGS="$save_CFLAGS $XCFLAGS"

2
libgomp/testsuite/Makefile.in
View File

@ -147,7 +147,6 @@ CFLAGS = @CFLAGS@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CPU_COUNT = @CPU_COUNT@
CXX = @CXX@
CYGPATH_W = @CYGPATH_W@
DEFS = @DEFS@
DEPDIR = @DEPDIR@
@ -215,6 +214,7 @@ SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@
STRIP = @STRIP@
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
VERSION = @VERSION@
XCFLAGS = @XCFLAGS@
XLDFLAGS = @XLDFLAGS@

18
libgomp/testsuite/lib/libgomp.exp
View File

@ -91,19 +91,6 @@ proc libgomp_init { args } {
setenv LANG C.ASCII
}
if { $blddir != "" } {
# Fix up '-funconfigured-libstdc++-v3' in 'GXX_UNDER_TEST' (see
# '../../configure.ac').
set flags_file "${blddir}/../libstdc++-v3/scripts/testsuite_flags"
if { [file exists $flags_file] } {
set flags [exec sh $flags_file --build-includes]
verbose -log "GXX_UNDER_TEST = $GXX_UNDER_TEST"
set GXX_UNDER_TEST [string map [list \
" -funconfigured-libstdc++-v3 " " $flags " \
] $GXX_UNDER_TEST]
verbose -log "GXX_UNDER_TEST = $GXX_UNDER_TEST"
}
}
if ![info exists GCC_UNDER_TEST] then {
if [info exists TOOL_EXECUTABLE] {
set GCC_UNDER_TEST $TOOL_EXECUTABLE
@ -185,6 +172,11 @@ proc libgomp_init { args } {
set ALWAYS_CFLAGS ""
if { $blddir != "" } {
# If '--with-build-sysroot=[...]' was specified, use it for build-tree
# testing.
global SYSROOT_CFLAGS_FOR_TARGET
lappend ALWAYS_CFLAGS "additional_flags=${SYSROOT_CFLAGS_FOR_TARGET}"
lappend ALWAYS_CFLAGS "additional_flags=-B${blddir}/"
# targets that use libgomp.a%s in their specs need a -B option
# for uninstalled testing.

4
libgomp/testsuite/libgomp-site-extra.exp.in
View File

@ -1,4 +1,2 @@
set FLOCK {@FLOCK@}
set GCC_UNDER_TEST {@CC@}
set GXX_UNDER_TEST {@CXX@}
set GFORTRAN_UNDER_TEST {@FC@}
set SYSROOT_CFLAGS_FOR_TARGET {@SYSROOT_CFLAGS_FOR_TARGET@}

6
libgomp/testsuite/libgomp.c++/c++.exp
View File

@ -15,6 +15,10 @@ if { $blddir != "" } {
verbose -log "GXX_UNDER_TEST not defined, will not execute c++ tests"
return
}
if { $blddir != "" } {
set lang_source_re {^.*\.[cC]$}
set lang_include_flags [exec sh ${blddir}/../libstdc++-v3/scripts/testsuite_flags --build-includes]
}
lappend ALWAYS_CFLAGS "compiler=$GXX_UNDER_TEST"
# If a testcase doesn't have special options, use these.
@ -44,6 +48,8 @@ set_ld_library_path_env_vars
dg-runtest $tests "" $DEFAULT_CFLAGS
if { $blddir != "" } {
unset lang_source_re
unset lang_include_flags
unset libstdc++_library_path
unset lang_library_paths
}

6
libgomp/testsuite/libgomp.oacc-c++/c++.exp
View File

@ -25,6 +25,10 @@ if { $blddir != "" } {
verbose -log "GXX_UNDER_TEST not defined, will not execute c++ tests"
return
}
if { $blddir != "" } {
set lang_source_re {^.*\.[cC]$}
set lang_include_flags [exec sh ${blddir}/../libstdc++-v3/scripts/testsuite_flags --build-includes]
}
lappend ALWAYS_CFLAGS "compiler=$GXX_UNDER_TEST"
# Initialize dg.
@ -121,6 +125,8 @@ foreach offload_target [concat [split $offload_targets ","] "disable"] {
unset offload_target
if { $blddir != "" } {
unset lang_source_re
unset lang_include_flags
unset libstdc++_library_path
unset lang_library_paths
}