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gnulib: support building for --build [PR sim/30882]

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The sim tree has some build-time programs for generating source files
that are a bit complicated and expect a POSIX-compatible system.  But
some targets (e.g. mingw) might not provide up-to-date support.  Since
we already have gnulib in the tree, leverage that to also build for
the --build system.

The top-level configure logic will pass down --with-build-subdir when
the subdir is built for it.  Use that to adjust the output variable
names and paths.  This allows us to include the gnulib makefile frags
for both --host and --build simultaneously.
This commit is contained in:
Mike Frysinger
2023-10-15 22:24:43 +05:45
parent 1b89e2b720
commit ba0eff81c4
5 changed files with 65 additions and 19 deletions
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18
gnulib/Makefile.gnulib.inc.in
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@@ -31,16 +31,20 @@
#
# INCGNU: A list of -I.... include paths that should be passed to the
# compiler, these are where the gnulib headers can be found.
#
# When building for --build, the variables will be prefixed with BUILD_.
# Packages must define the relative path to gnulib's parent dir.
ifndef GNULIB_PARENT_DIR
$(error missing GNULIB_PARENT_DIR)
endif
LIBGNU = $(GNULIB_PARENT_DIR)/gnulib/import/libgnu.a
LIBGNU_EXTRA_LIBS = @FREXPL_LIBM@ @FREXP_LIBM@ @INET_NTOP_LIB@ \
@LIBTHREAD@ @LIB_GETLOGIN@ @LIB_GETRANDOM@ \
@LIB_HARD_LOCALE@ @LIB_MBRTOWC@ \
@LIB_SETLOCALE_NULL@ @LIBINTL@ @LIB_SELECT@ @LIBSOCKET@
INCGNU = -I$(srcdir)/$(GNULIB_PARENT_DIR)/gnulib/import \
-I$(GNULIB_PARENT_DIR)/gnulib/import
@VAR_PREFIX@LIBGNU = $(GNULIB_PARENT_DIR)/@BUILD_SUBDIR@gnulib/import/libgnu.a
@VAR_PREFIX@LIBGNU_EXTRA_LIBS = \
@FREXPL_LIBM@ @FREXP_LIBM@ @INET_NTOP_LIB@ \
@LIBTHREAD@ @LIB_GETLOGIN@ @LIB_GETRANDOM@ \
@LIB_HARD_LOCALE@ @LIB_MBRTOWC@ \
@LIB_SETLOCALE_NULL@ @LIBINTL@ @LIB_SELECT@ @LIBSOCKET@
@VAR_PREFIX@INCGNU = \
-I$(srcdir)/$(GNULIB_PARENT_DIR)/gnulib/import \
-I$(GNULIB_PARENT_DIR)/@BUILD_SUBDIR@gnulib/import

2
gnulib/Makefile.in
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@@ -366,6 +366,7 @@ BITSIZEOF_SIG_ATOMIC_T = @BITSIZEOF_SIG_ATOMIC_T@
BITSIZEOF_SIZE_T = @BITSIZEOF_SIZE_T@
BITSIZEOF_WCHAR_T = @BITSIZEOF_WCHAR_T@
BITSIZEOF_WINT_T = @BITSIZEOF_WINT_T@
BUILD_SUBDIR = @BUILD_SUBDIR@
CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
@@ -1674,6 +1675,7 @@ UNISTD_H_DEFINES_STRUCT_TIMESPEC = @UNISTD_H_DEFINES_STRUCT_TIMESPEC@
UNISTD_H_HAVE_SYS_RANDOM_H = @UNISTD_H_HAVE_SYS_RANDOM_H@
UNISTD_H_HAVE_WINSOCK2_H = @UNISTD_H_HAVE_WINSOCK2_H@
UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
VAR_PREFIX = @VAR_PREFIX@
VERSION = @VERSION@
WCHAR_T_SUFFIX = @WCHAR_T_SUFFIX@
WINDOWS_64_BIT_OFF_T = @WINDOWS_64_BIT_OFF_T@

50
gnulib/configure vendored
View File

@@ -635,6 +635,8 @@ gl_LTLIBOBJS
gl_LIBOBJS
LTLIBOBJS
LIBOBJS
VAR_PREFIX
BUILD_SUBDIR
LN_S
AM_BACKSLASH
AM_DEFAULT_VERBOSITY
@@ -2219,6 +2221,7 @@ enable_threads
enable_cross_guesses
enable_dependency_tracking
enable_silent_rules
with_build_subdir
'
ac_precious_vars='build_alias
host_alias
@@ -2866,6 +2869,12 @@ Optional Features:
--enable-silent-rules less verbose build output (undo: "make V=1")
--disable-silent-rules verbose build output (undo: "make V=0")
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--with-build-subdir=SUBDIR
Configuring in a subdirectory for build
Some influential environment variables:
CC C compiler command
CFLAGS C compiler flags
@@ -13813,8 +13822,8 @@ rm -f core conftest.err conftest.$ac_objext \
LIBS=$save_LIBS
test $gl_pthread_api = yes && break
done
echo "$as_me:13816: gl_pthread_api=$gl_pthread_api" >&5
echo "$as_me:13817: LIBPTHREAD=$LIBPTHREAD" >&5
echo "$as_me:13825: gl_pthread_api=$gl_pthread_api" >&5
echo "$as_me:13826: LIBPTHREAD=$LIBPTHREAD" >&5
gl_pthread_in_glibc=no
# On Linux with glibc >= 2.34, libc contains the fully functional
@@ -13839,7 +13848,7 @@ rm -f conftest*
;;
esac
echo "$as_me:13842: gl_pthread_in_glibc=$gl_pthread_in_glibc" >&5
echo "$as_me:13851: gl_pthread_in_glibc=$gl_pthread_in_glibc" >&5
# Test for libpthread by looking for pthread_kill. (Not pthread_self,
# since it is defined as a macro on OSF/1.)
@@ -13993,7 +14002,7 @@ fi
fi
fi
echo "$as_me:13996: LIBPMULTITHREAD=$LIBPMULTITHREAD" >&5
echo "$as_me:14005: LIBPMULTITHREAD=$LIBPMULTITHREAD" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether POSIX threads API is available" >&5
$as_echo_n "checking whether POSIX threads API is available... " >&6; }
@@ -17070,8 +17079,8 @@ rm -f core conftest.err conftest.$ac_objext \
LIBS=$save_LIBS
test $gl_pthread_api = yes && break
done
echo "$as_me:17073: gl_pthread_api=$gl_pthread_api" >&5
echo "$as_me:17074: LIBPTHREAD=$LIBPTHREAD" >&5
echo "$as_me:17082: gl_pthread_api=$gl_pthread_api" >&5
echo "$as_me:17083: LIBPTHREAD=$LIBPTHREAD" >&5
gl_pthread_in_glibc=no
# On Linux with glibc >= 2.34, libc contains the fully functional
@@ -17096,7 +17105,7 @@ rm -f conftest*
;;
esac
echo "$as_me:17099: gl_pthread_in_glibc=$gl_pthread_in_glibc" >&5
echo "$as_me:17108: gl_pthread_in_glibc=$gl_pthread_in_glibc" >&5
# Test for libpthread by looking for pthread_kill. (Not pthread_self,
# since it is defined as a macro on OSF/1.)
@@ -17250,7 +17259,7 @@ fi
fi
fi
echo "$as_me:17253: LIBPMULTITHREAD=$LIBPMULTITHREAD" >&5
echo "$as_me:17262: LIBPMULTITHREAD=$LIBPMULTITHREAD" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether POSIX threads API is available" >&5
$as_echo_n "checking whether POSIX threads API is available... " >&6; }
@@ -17476,8 +17485,8 @@ rm -f core conftest.err conftest.$ac_objext \
LIBS=$save_LIBS
test $gl_pthread_api = yes && break
done
echo "$as_me:17479: gl_pthread_api=$gl_pthread_api" >&5
echo "$as_me:17480: LIBPTHREAD=$LIBPTHREAD" >&5
echo "$as_me:17488: gl_pthread_api=$gl_pthread_api" >&5
echo "$as_me:17489: LIBPTHREAD=$LIBPTHREAD" >&5
gl_pthread_in_glibc=no
# On Linux with glibc >= 2.34, libc contains the fully functional
@@ -17502,7 +17511,7 @@ rm -f conftest*
;;
esac
echo "$as_me:17505: gl_pthread_in_glibc=$gl_pthread_in_glibc" >&5
echo "$as_me:17514: gl_pthread_in_glibc=$gl_pthread_in_glibc" >&5
# Test for libpthread by looking for pthread_kill. (Not pthread_self,
# since it is defined as a macro on OSF/1.)
@@ -17656,7 +17665,7 @@ fi
fi
fi
echo "$as_me:17659: LIBPMULTITHREAD=$LIBPMULTITHREAD" >&5
echo "$as_me:17668: LIBPMULTITHREAD=$LIBPMULTITHREAD" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether POSIX threads API is available" >&5
$as_echo_n "checking whether POSIX threads API is available... " >&6; }
@@ -36621,6 +36630,23 @@ fi
# Checks for libraries. #
# ---------------------- #
# Check whether --with-build-subdir was given.
if test "${with_build_subdir+set}" = set; then :
withval=$with_build_subdir;
fi
VAR_PREFIX=
BUILD_SUBDIR=
if test -n "${with_build_subdir}"; then :
VAR_PREFIX="BUILD_"
BUILD_SUBDIR="${with_build_subdir}/"
fi
ac_config_files="$ac_config_files Makefile.gnulib.inc"

12
gnulib/configure.ac
View File

@@ -56,6 +56,18 @@ AC_CHECK_TOOL(AR, ar)
# Checks for libraries. #
# ---------------------- #
AC_ARG_WITH(build-subdir,
[AS_HELP_STRING([--with-build-subdir=SUBDIR], [Configuring in a subdirectory for build])])
VAR_PREFIX=
BUILD_SUBDIR=
AS_IF([test -n "${with_build_subdir}"], [dnl
VAR_PREFIX="BUILD_"
BUILD_SUBDIR="${with_build_subdir}/"
])
AC_SUBST(BUILD_SUBDIR)
AC_SUBST(VAR_PREFIX)
AC_CONFIG_FILES(Makefile.gnulib.inc)
AC_OUTPUT(Makefile import/Makefile,

2
gnulib/import/Makefile.in
View File

@@ -700,6 +700,7 @@ BITSIZEOF_SIG_ATOMIC_T = @BITSIZEOF_SIG_ATOMIC_T@
BITSIZEOF_SIZE_T = @BITSIZEOF_SIZE_T@
BITSIZEOF_WCHAR_T = @BITSIZEOF_WCHAR_T@
BITSIZEOF_WINT_T = @BITSIZEOF_WINT_T@
BUILD_SUBDIR = @BUILD_SUBDIR@
CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
@@ -2008,6 +2009,7 @@ UNISTD_H_DEFINES_STRUCT_TIMESPEC = @UNISTD_H_DEFINES_STRUCT_TIMESPEC@
UNISTD_H_HAVE_SYS_RANDOM_H = @UNISTD_H_HAVE_SYS_RANDOM_H@
UNISTD_H_HAVE_WINSOCK2_H = @UNISTD_H_HAVE_WINSOCK2_H@
UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
VAR_PREFIX = @VAR_PREFIX@
VERSION = @VERSION@
WCHAR_T_SUFFIX = @WCHAR_T_SUFFIX@
WINDOWS_64_BIT_OFF_T = @WINDOWS_64_BIT_OFF_T@