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* [newlib-cygwin] newlib: libm: merge machine/ trampoline up a level
@ 2022-01-26  9:11 Michael Frysinger
  0 siblings, 0 replies; only message in thread
From: Michael Frysinger @ 2022-01-26  9:11 UTC (permalink / raw)
  To: newlib-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6ac043b19204399b28f17ecadaef9301223668fc

commit 6ac043b19204399b28f17ecadaef9301223668fc
Author: Mike Frysinger <vapier@gentoo.org>
Date:   Sat Jan 22 19:54:54 2022 -0500

    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.

Diff:
---
 newlib/libm/Makefile.am          |     5 +-
 newlib/libm/Makefile.in          |     6 +-
 newlib/libm/common/Makefile.in   |     1 +
 newlib/libm/complex/Makefile.in  |     1 +
 newlib/libm/configure            |    71 +-
 newlib/libm/configure.ac         |    25 +-
 newlib/libm/fenv/Makefile.in     |     1 +
 newlib/libm/machine/Makefile.am  |    26 -
 newlib/libm/machine/Makefile.in  |   650 --
 newlib/libm/machine/aclocal.m4   |  1178 ---
 newlib/libm/machine/configure    | 14383 -------------------------------------
 newlib/libm/machine/configure.ac |    53 -
 newlib/libm/math/Makefile.in     |     1 +
 newlib/libm/mathfp/Makefile.in   |     1 +
 14 files changed, 93 insertions(+), 16309 deletions(-)

diff --git a/newlib/libm/Makefile.am b/newlib/libm/Makefile.am
index 8d355cbf6..5165ff34b 100644
--- a/newlib/libm/Makefile.am
+++ b/newlib/libm/Makefile.am
@@ -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
 
diff --git a/newlib/libm/Makefile.in b/newlib/libm/Makefile.in
index 82be90c42..d485b3cbe 100644
--- a/newlib/libm/Makefile.in
+++ b/newlib/libm/Makefile.in
@@ -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)
diff --git a/newlib/libm/common/Makefile.in b/newlib/libm/common/Makefile.in
index 29347137d..5253d1815 100644
--- a/newlib/libm/common/Makefile.in
+++ b/newlib/libm/common/Makefile.in
@@ -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@
diff --git a/newlib/libm/complex/Makefile.in b/newlib/libm/complex/Makefile.in
index 8f59b3752..362d75e97 100644
--- a/newlib/libm/complex/Makefile.in
+++ b/newlib/libm/complex/Makefile.in
@@ -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@
diff --git a/newlib/libm/configure b/newlib/libm/configure
index 311da10ce..27c8acf5f 100755
--- a/newlib/libm/configure
+++ b/newlib/libm/configure
@@ -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
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
diff --git a/newlib/libm/configure.ac b/newlib/libm/configure.ac
index 3f9c01e15..44d3391bd 100644
--- a/newlib/libm/configure.ac
+++ b/newlib/libm/configure.ac
@@ -27,20 +27,35 @@ if test "${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
+  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=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.${aext}
   fi
 fi
-
+AM_CONDITIONAL(HAVE_LIBM_MACHINE_DIR, test "x${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])
diff --git a/newlib/libm/fenv/Makefile.in b/newlib/libm/fenv/Makefile.in
index 28495cd9f..81bb31722 100644
--- a/newlib/libm/fenv/Makefile.in
+++ b/newlib/libm/fenv/Makefile.in
@@ -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@
diff --git a/newlib/libm/machine/Makefile.am b/newlib/libm/machine/Makefile.am
deleted file mode 100644
index 3b05fb103..000000000
--- a/newlib/libm/machine/Makefile.am
+++ /dev/null
@@ -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 = $(newlib_basedir)/configure.host
diff --git a/newlib/libm/machine/Makefile.in b/newlib/libm/machine/Makefile.in
deleted file mode 100644
index a933a7515..000000000
--- a/newlib/libm/machine/Makefile.in
+++ /dev/null
@@ -1,650 +0,0 @@
-# Makefile.in generated by automake 1.15.1 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994-2017 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-VPATH = @srcdir@
-am__is_gnu_make = { \
-  if test -z '$(MAKELEVEL)'; then \
-    false; \
-  elif test -n '$(MAKE_HOST)'; then \
-    true; \
-  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
-    true; \
-  else \
-    false; \
-  fi; \
-}
-am__make_running_with_option = \
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-# AM_PROG_INSTALL_STRIP
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diff --git a/newlib/libm/machine/configure b/newlib/libm/machine/configure
deleted file mode 100755
index 3e5f742ae..000000000
--- a/newlib/libm/machine/configure
+++ /dev/null
@@ -1,14383 +0,0 @@
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-# Find who we are.  Look in the path if we contain no directory separator.
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-     ;;
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-if test ! -f "$as_myself"; then
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-# Unset variables that we do not need and which cause bugs (e.g. in
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-# NLS nuisances.
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-# CDPATH.
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-# Use a proper internal environment variable to ensure we don't fall
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-as_fn_exit 255
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-  # We don't want this to propagate to other subprocesses.
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-  test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
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-SHELL=${CONFIG_SHELL-/bin/sh}
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[diff truncated at 100000 bytes]


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2022-01-26  9:11 [newlib-cygwin] newlib: libm: merge machine/ trampoline up a level Michael Frysinger

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