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newlib: libm: merge machine/ trampoline up a level 

The machine/{configure,Makefile} files exist only to fan out to the
specific machine/$arch/ subdir.  We already have all that same info
in the libm/ dir itself, so by moving the recursive configure and
make calls into it, we can cut off this logic entirely and save the
overhead.

For arches that don't have a machine subdir, it means they can skip
the logic entirely.
This commit is contained in:
Mike Frysinger 2022-01-22 19:54:54 -05:00
parent 6d8c4e4ba1
commit 6ac043b192
14 changed files with 93 additions and 16309 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
newlib/libm/Makefile.am
View File

@ -6,7 +6,10 @@ else
MATHDIR = math
endif
SUBDIRS = $(MATHDIR) common complex fenv machine
SUBDIRS = $(MATHDIR) common complex fenv
if HAVE_LIBM_MACHINE_DIR
SUBDIRS += $(LIBM_MACHINE_DIR)
endif
libm_la_LDFLAGS = -Xcompiler -nostdlib

6
newlib/libm/Makefile.in
View File

@ -89,6 +89,7 @@ PRE_UNINSTALL = :
POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
@HAVE_LIBM_MACHINE_DIR_TRUE@am__append_1 = $(LIBM_MACHINE_DIR)
subdir = .
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../../config/depstand.m4 \
@ -282,7 +283,7 @@ am__define_uniq_tagged_files = \
ETAGS = etags
CTAGS = ctags
CSCOPE = cscope
DIST_SUBDIRS = math mathfp common complex fenv machine
DIST_SUBDIRS = math mathfp common complex fenv @LIBM_MACHINE_DIR@
ACLOCAL = @ACLOCAL@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
@ -319,6 +320,7 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
LIBM_MACHINE_DIR = @LIBM_MACHINE_DIR@
LIBM_MACHINE_LIB = @LIBM_MACHINE_LIB@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
@ -414,7 +416,7 @@ top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
@NEWLIB_HW_FP_FALSE@MATHDIR = math
@NEWLIB_HW_FP_TRUE@MATHDIR = mathfp
SUBDIRS = $(MATHDIR) common complex fenv machine
SUBDIRS = $(MATHDIR) common complex fenv $(am__append_1)
libm_la_LDFLAGS = -Xcompiler -nostdlib
@USE_LIBTOOL_FALSE@SUBLIBS = $(MATHDIR)/lib.$(aext) common/lib.$(aext) complex/lib.$(aext) fenv/lib.$(aext) $(LIBM_MACHINE_LIB)
@USE_LIBTOOL_TRUE@SUBLIBS = $(MATHDIR)/lib$(MATHDIR).$(aext) common/libcommon.$(aext) complex/libcomplex.$(aext) fenv/libfenv.$(aext) $(LIBM_MACHINE_LIB)

1
newlib/libm/common/Makefile.in
View File

@ -342,6 +342,7 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
LIBM_MACHINE_DIR = @LIBM_MACHINE_DIR@
LIBM_MACHINE_LIB = @LIBM_MACHINE_LIB@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@

1
newlib/libm/complex/Makefile.in
View File

@ -275,6 +275,7 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
LIBM_MACHINE_DIR = @LIBM_MACHINE_DIR@
LIBM_MACHINE_LIB = @LIBM_MACHINE_LIB@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@

71
newlib/libm/configure vendored
View File

@ -635,9 +635,12 @@ am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
LIBM_MACHINE_LIB
LIBM_MACHINE_DIR
HAVE_LIBM_MACHINE_DIR_FALSE
HAVE_LIBM_MACHINE_DIR_TRUE
subdirs
HAVE_LONG_DOUBLE_FALSE
HAVE_LONG_DOUBLE_TRUE
subdirs
CPP
OTOOL64
OTOOL
@ -814,7 +817,17 @@ LDFLAGS
LIBS
CPPFLAGS
CPP'
ac_subdirs_all='machine'
ac_subdirs_all='machine/aarch64
machine/arm
machine/i386
machine/nds32
machine/pru
machine/spu
machine/riscv
machine/x86_64
machine/powerpc
machine/sparc
machine/mips'
# Initialize some variables set by options.
ac_init_help=
@ -11600,7 +11613,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11603 "configure"
#line 11616 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11706,7 +11719,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11709 "configure"
#line 11722 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11946,11 +11959,6 @@ CC="$lt_save_CC"
fi
subdirs="$subdirs machine"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long double" >&5
$as_echo_n "checking for long double... " >&6; }
if ${ac_cv_type_long_double+:} false; then :
@ -12003,12 +12011,49 @@ fi
LIBM_MACHINE_LIB=
if test -n "${libm_machine_dir}"; then
case ${libm_machine_dir} in
aarch64)
subdirs="$subdirs machine/aarch64"
;;
arm) subdirs="$subdirs machine/arm"
;;
i386) subdirs="$subdirs machine/i386"
;;
nds32) subdirs="$subdirs machine/nds32"
;;
pru) subdirs="$subdirs machine/pru"
;;
spu) subdirs="$subdirs machine/spu"
;;
riscv) subdirs="$subdirs machine/riscv"
;;
x86_64) subdirs="$subdirs machine/x86_64"
;;
powerpc) subdirs="$subdirs machine/powerpc"
;;
sparc) subdirs="$subdirs machine/sparc"
;;
mips) subdirs="$subdirs machine/mips"
;;
*) as_fn_error $? "unsupported libm_machine_dir \"${libm_machine_dir}\"" "$LINENO" 5 ;;
esac
LIBM_MACHINE_DIR=machine/${libm_machine_dir}
if test "${use_libtool}" = "yes"; then
LIBM_MACHINE_LIB=machine/${libm_machine_dir}/lib${libm_machine_dir}.${aext}
LIBM_MACHINE_LIB=${LIBM_MACHINE_DIR}/lib${libm_machine_dir}.${aext}
else
LIBM_MACHINE_LIB=machine/lib.${aext}
LIBM_MACHINE_LIB=${LIBM_MACHINE_DIR}/lib.${aext}
fi
fi
if test "x${LIBM_MACHINE_DIR}" != x; then
HAVE_LIBM_MACHINE_DIR_TRUE=
HAVE_LIBM_MACHINE_DIR_FALSE='#'
else
HAVE_LIBM_MACHINE_DIR_TRUE='#'
HAVE_LIBM_MACHINE_DIR_FALSE=
fi
@ -12227,6 +12272,10 @@ if test -z "${HAVE_LONG_DOUBLE_TRUE}" && test -z "${HAVE_LONG_DOUBLE_FALSE}"; th
as_fn_error $? "conditional \"HAVE_LONG_DOUBLE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${HAVE_LIBM_MACHINE_DIR_TRUE}" && test -z "${HAVE_LIBM_MACHINE_DIR_FALSE}"; then
as_fn_error $? "conditional \"HAVE_LIBM_MACHINE_DIR\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
: "${CONFIG_STATUS=./config.status}"
ac_write_fail=0

31
newlib/libm/configure.ac
View File

@ -27,20 +27,35 @@ if test "${use_libtool}" = "yes"; then
LT_INIT([win32-dll])
fi
AC_CONFIG_SUBDIRS(machine)
AC_TYPE_LONG_DOUBLE
AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$ac_cv_type_long_double" = x"yes")
LIBM_MACHINE_LIB=
if test -n "${libm_machine_dir}"; then
if test "${use_libtool}" = "yes"; then
LIBM_MACHINE_LIB=machine/${libm_machine_dir}/lib${libm_machine_dir}.${aext}
else
LIBM_MACHINE_LIB=machine/lib.${aext}
fi
fi
case ${libm_machine_dir} in
aarch64) AC_CONFIG_SUBDIRS(machine/aarch64) ;;
arm) AC_CONFIG_SUBDIRS(machine/arm) ;;
i386) AC_CONFIG_SUBDIRS(machine/i386) ;;
nds32) AC_CONFIG_SUBDIRS(machine/nds32) ;;
pru) AC_CONFIG_SUBDIRS(machine/pru) ;;
spu) AC_CONFIG_SUBDIRS(machine/spu) ;;
riscv) AC_CONFIG_SUBDIRS(machine/riscv) ;;
x86_64) AC_CONFIG_SUBDIRS(machine/x86_64) ;;
powerpc) AC_CONFIG_SUBDIRS(machine/powerpc) ;;
sparc) AC_CONFIG_SUBDIRS(machine/sparc) ;;
mips) AC_CONFIG_SUBDIRS(machine/mips) ;;
*) AC_MSG_ERROR([unsupported libm_machine_dir "${libm_machine_dir}"]) ;;
esac
LIBM_MACHINE_DIR=machine/${libm_machine_dir}
if test "${use_libtool}" = "yes"; then
LIBM_MACHINE_LIB=${LIBM_MACHINE_DIR}/lib${libm_machine_dir}.${aext}
else
LIBM_MACHINE_LIB=${LIBM_MACHINE_DIR}/lib.${aext}
fi
fi
AM_CONDITIONAL(HAVE_LIBM_MACHINE_DIR, test "x${LIBM_MACHINE_DIR}" != x)
AC_SUBST(LIBM_MACHINE_DIR)
AC_SUBST(LIBM_MACHINE_LIB)
AC_CONFIG_FILES([Makefile math/Makefile mathfp/Makefile common/Makefile complex/Makefile fenv/Makefile])

1
newlib/libm/fenv/Makefile.in
View File

@ -236,6 +236,7 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
LIBM_MACHINE_DIR = @LIBM_MACHINE_DIR@
LIBM_MACHINE_LIB = @LIBM_MACHINE_LIB@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@

26
newlib/libm/machine/Makefile.am
View File

@ -1,26 +0,0 @@
## Process this file with automake to generate Makefile.in
SUBDIRS = $(libm_machine_dir) .
if HAVE_LIBM_MACHINE_DIR
LIBM_MACHLIB = lib.a
endif
if USE_LIBTOOL
else
noinst_LIBRARIES = $(LIBM_MACHLIB)
lib.a: $(libm_machine_dir)/lib.a
rm -f $@
ln $(libm_machine_dir)/lib.a $@ >/dev/null 2>/dev/null || \
cp $(libm_machine_dir)/lib.a $@
endif # USE_LIBTOOL
$(libm_machine_dir)/lib.a:
doc:
docbook:
ACLOCAL_AMFLAGS = -I ../.. -I ../../.. -I ../../../config
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

650
newlib/libm/machine/Makefile.in
View File

@ -1,650 +0,0 @@
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newlib/libm/machine/configure vendored
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53
newlib/libm/machine/configure.ac
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@ -1,53 +0,0 @@
dnl This is the newlib/libm/machine configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_INIT([newlib],[NEWLIB_VERSION])
AC_CONFIG_SRCDIR([i386])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../..)
NEWLIB_CONFIGURE(../..)
dnl We have to add the following lines because automake detects the
dnl references to libtool libraries from aclocal and tries to verify that
dnl LT_INIT is being used. This must be added after dnl the call to
dnl NEWLIB_CONFIGURE.
_LT_DECL_SED
_LT_PROG_ECHO_BACKSLASH
if test "${use_libtool}" = "yes"; then
LT_INIT([win32-dll])
fi
machlib=
if test -n "${libm_machine_dir}"; then
case ${libm_machine_dir} in
aarch64) AC_CONFIG_SUBDIRS(aarch64) ;;
arm) AC_CONFIG_SUBDIRS(arm) ;;
i386) AC_CONFIG_SUBDIRS(i386) ;;
nds32) AC_CONFIG_SUBDIRS(nds32) ;;
pru) AC_CONFIG_SUBDIRS(pru) ;;
spu) AC_CONFIG_SUBDIRS(spu) ;;
riscv) AC_CONFIG_SUBDIRS(riscv) ;;
x86_64) AC_CONFIG_SUBDIRS(x86_64) ;;
powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;
sparc) AC_CONFIG_SUBDIRS(sparc) ;;
mips) AC_CONFIG_SUBDIRS(mips) ;;
esac;
if test "${use_libtool}" = "yes"; then
machlib=${libm_machine_dir}/lib${libm_machine_dir}.${aext}
else
machlib=${libm_machine_dir}/lib.${aext}
fi
fi
AC_SUBST(libm_machine_dir)
AC_SUBST(machlib)
AM_CONDITIONAL(HAVE_LIBM_MACHINE_DIR, test x${libm_machine_dir} != x)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

1
newlib/libm/math/Makefile.in
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@ -321,6 +321,7 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
LIBM_MACHINE_DIR = @LIBM_MACHINE_DIR@
LIBM_MACHINE_LIB = @LIBM_MACHINE_LIB@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@

1
newlib/libm/mathfp/Makefile.in
View File

@ -293,6 +293,7 @@ INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LD = @LD@
LDFLAGS = @LDFLAGS@
LIBM_MACHINE_DIR = @LIBM_MACHINE_DIR@
LIBM_MACHINE_LIB = @LIBM_MACHINE_LIB@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@