First step in converting to autoconf 2.61++ from peb

git-svn-id: svn://tug.org/texlive/trunk@6448 c570f23f-e606-0410-a88d-b1316a301751

7 files changed, 318 insertions, 0 deletions

diff --git a/Build/source/texk/m4/ChangeLog b/Build/source/texk/m4/ChangeLog
new file mode 100644
index 00000000000..c2f9c8c4c75
--- /dev/null
+++ b/Build/source/texk/m4/ChangeLog
@@ -0,0 +1,10 @@
+2008-01-29  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	Support for autoconf-2.59+:
+	* kpse_cross.m4, kpse_maint.m4, kpse_asm.m4, kpse_mtim.m4
+	(all new): Copied from ../etc/autoconf/acsite.m4 with some
+	trivial changes.
+	* kpse_unset.m4 (new): Copied from ../etc/autoconf/acspecific.m4
+	with some trivial changes.
+	* kpse_inc.m4 (new): kpse_include mechanism for autoconf-2.59.
+
diff --git a/Build/source/texk/m4/kpse_asm.m4 b/Build/source/texk/m4/kpse_asm.m4
new file mode 100644
index 00000000000..833003f00a1
--- /dev/null
+++ b/Build/source/texk/m4/kpse_asm.m4
@@ -0,0 +1,42 @@
+# Private macro for the kpathsea library.
+# by Peter Breitenlohner <peb@mppmu.mpg.de>, April 15, 1996.
+# Copyright (C) 1996 - 2008
+# Free Software Foundation, Inc.
+#
+# This file 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.
+
+# serial 1
+
+# pb_AC_ASM_UNDERSCORE
+# --------------------
+# Check if gcc asm for i386 needs external symbols with an underscore.
+AC_DEFUN([pb_AC_ASM_UNDERSCORE], [
+AC_CACHE_CHECK([whether gcc asm needs underscore],
+               [pb_cv_asm_underscore],
+               [
+# Older versions of GCC asm for i386 need an underscore prepended to
+# external symbols. Figure out if this is so.
+AC_LINK_IFELSE([
+extern char val ;
+extern void sub () ;
+#if defined (__i386__) && defined (__GNUC__) 
+asm("        .align 4\n"
+".globl sub\n"
+"sub:\n"
+"        movb \$[]1,val\n"
+"        ret\n");
+#else
+void sub () { val = 1; }
+#endif /* assembler */
+char val ;
+int main() { sub (); return 0; }
+], [pb_cv_asm_underscore=no], [pb_cv_asm_underscore=yes])])
+if test "x$pb_cv_asm_underscore" = xyes; then
+  AC_DEFINE([ASM_NEEDS_UNDERSCORE], 1,
+            [web2c: Define if gcc asm needs _ on external symbols.])
+fi
+]
+)
+
diff --git a/Build/source/texk/m4/kpse_cross.m4 b/Build/source/texk/m4/kpse_cross.m4
new file mode 100644
index 00000000000..e08730de73e
--- /dev/null
+++ b/Build/source/texk/m4/kpse_cross.m4
@@ -0,0 +1,51 @@
+# Private macros for the kpathsea library.
+# by Karl Berry <karl@freefriends.org>
+# Copyright (C) 199? - 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 1
+
+# KPSE_CROSS_PATH_PROG(RESULT, CROSS_PROG, NORMAL_PROG)
+# -----------------------------------------------------
+# Find a program when cross-compiling, or use a default when not.
+# RESULT = variable which records the outcome
+# CROSS_PROG = program to look for when cross-compiling
+# NORMAL_PROG = program to use when not cross-compiling
+# Example: KPSE_CROSS_PATH_PROG([TANGLE], [tangle], [./tangle]) sets
+# 'TANGLE' to the program 'tangle' found in PATH when cross-compiling,
+# and to './tangle' if not.
+AC_DEFUN([KPSE_CROSS_PATH_PROG],
+  [if test "$cross_compiling" = yes; then
+AC_PATH_PROG([$1], [$2])
+if test -z "${$1}"; then
+  AC_MSG_ERROR([$2 was not found but is required when cross-compiling.
+  Install $2 or set \$$1 to the full pathname.])
+fi
+else
+  $1=$3
+fi])
+
+# KPSE_CROSS_BUILD_VAR(STEM, PROG)
+# --------------------------------
+# Set BUILD$1 to $2 when cross-compiling, to $($1) if not.
+# Example: KPSE_CROSS_BUILD_VAR([CC], [cc]) sets 'BUILDCC' to 'cc'
+# if cross-compiling, and to '$(CC)' if not.
+AC_DEFUN([KPSE_CROSS_BUILD_VAR],
+  [if test "$cross_compiling" = yes; then
+  if test -z "${BUILD$1}"; then
+    BUILD$1='$2'
+  fi
+  AC_MSG_RESULT([setting \$BUILD$1 to ${BUILD$1}])
+else
+  if test -n "${BUILD$1}"; then
+    AC_MSG_WARN([\$BUILD$1 set but not cross-compiling.])
+  fi
+  BUILD$1='$($1)'
+fi
+AC_SUBST(BUILD$1)
+])
+
diff --git a/Build/source/texk/m4/kpse_inc.m4 b/Build/source/texk/m4/kpse_inc.m4
new file mode 100644
index 00000000000..dfa9a1b85bd
--- /dev/null
+++ b/Build/source/texk/m4/kpse_inc.m4
@@ -0,0 +1,121 @@
+# Private macros for the kpathsea library.
+# by Peter Breitenlohner <peb@mppmu.mpg.de>
+# based on earlier work
+# by Karl Berry <karl@freefriends.org>
+# Copyright (C) 1995 - 2008
+# Free Software Foundation, Inc.
+#
+# This file 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.
+
+# serial 1
+
+# KPSE_CONFIG_FILES(FILE..., [COMMANDS], [INIT-CMDS])
+# ---------------------------------------------------
+# Specify output files that are configured with AC_SUBST.
+# In a first step, each input file is converted into an auxiliary file
+# with all `kpse_include' directives resolved.
+# In a second step each auxiliary file is passed to AC_CONFIG_FILES
+# with the (optional) COMMANDS to be run after config.status creates
+# the output file.
+#
+# Each FILE is specified as OUTPUT[:[INPUT][:[AUX]]], i.e., the syntax is
+# similar to that for AC_CONFIG_FILES but the meaning is quite different,
+# there is one unique INPUT for each OUTPUT.  If omitted, INPUT defaults
+# to OUTPUT.in and AUX to OUTPUT.aux.
+AC_DEFUN([KPSE_CONFIG_FILES],
+[AC_FOREACH([AC_File], [$1],
+  [_KPSE_CONFIG_FILE([$2], m4_bpatsubst(AC_File, [:], [,]))])dnl
+_AC_CONFIG_COMMANDS_INIT([$3])dnl
+])
+
+# _KPSE_CONFIG_FILE([COMMANDS], OUTPUT, [INPUT], [AUX])
+# -----------------------------------
+# See above.
+m4_define([_KPSE_CONFIG_FILE],
+[AC_CONFIG_FILES(m4_ifval([$4], [$4], [$2].aux):m4_ifval([$3], [$3], [$2].in),
+  [# Discard the file just generated and first resolve kpse_include's
+  _KPSE_INCLUDE(m4_ifval([$4], [$4], [$2].aux), m4_ifval([$3], [$3], [$2].in))])dnl
+AC_CONFIG_FILES([$2]:m4_ifval([$4], [$4], [$2].aux), [$1])dnl
+])
+
+# _KPSE_INCLUDE(DEST, SOURCE)
+# ---------------------------
+# Create DEST from SOURCE with all occurrences of
+#      kpse_include INCLUDE_FILE
+# replaced by the contents of INCLUDE_FILE if that file exists.
+# Note: this doesn't work recursively, one level of inclusion only!
+m4_define([_KPSE_INCLUDE],
+[kpse_input=`case $2 in
+  [[\\/$]]*) # Absolute
+    test -f "$2" || AC_MSG_ERROR([cannot find input file: $2])
+    echo "$2";;
+  *) # Relative
+    if test -f "$2"; then
+      # Build tree
+      echo "$2"
+    elif test -f "$srcdir/$2"; then
+      # Source tree
+      echo "$srcdir/$2"
+    else
+      # /dev/null tree
+      AC_MSG_ERROR([cannot find input file: $2])
+    fi;;
+  esac` || AS_EXIT([1])
+# Replace lines of the form "kpse_include foo" with the contents of foo:
+# first, from the kpse_include lines construct a list of file names.
+# From that list, we construct a second list of those files that exist.
+# Then we construct a list of sed commands for including those files,
+# and a sed command that removes the kpse_include lines. We don't attempt
+# to read non-existent files because some (buggy) versions of sed choke
+# on this. Have to use sed because old (Ultrix, SunOs) awk does not support
+# getline or system. (Anyway, configure scripts aren't supposed to use awk.)
+# Can't use only one -e and commands {dr foo} because foo has to be last.
+# Be careful, because the filename may contain /.
+# Be careful with whitespace; we need to use echo.
+kpse_file_substs=`sed -n '/^kpse_include/s%[[ 	]]*\(.*\)%\1%p' "$kpse_input"`
+if test x"$kpse_file_substs" = x; then
+  AC_MSG_WARN([No need to use \`[KPSE_CONFIG_FILES]' for input \`$2'
+               without any \`kpse_include' directives])
+fi
+# Create the sed command line ...
+dnl # Input lines containing "@configure_input@" are output twice,
+dnl # first unmodified and then with our modifications.
+dnl kpse_substs="sed -e '/@configure_input@/p' \
+dnl   -e 's,@configure_input@,$1.  Generated from `echo $2 |
+dnl   sed 's,.*/,,'` by configure.,'"
+dnl 
+dnl I hope this is portable
+# Input lines containing "@configure_input@" are output twice,
+# first with our modifications and then unmodified.
+kpse_substs="sed -e '/@configure_input@/ { h; \
+  s,@configure_input@,$1.  Generated from `echo $2 |
+  sed 's,.*/,,'` by configure.,; G }'"
+for kpse_inc in $kpse_file_substs; do
+  kpse_read=`case $kpse_inc in
+    [[\\/$]]*) # Absolute
+      if test -f "$kpse_inc"; then
+        echo "$kpse_inc"
+      fi;;
+    *) # Relative
+      if test -f "$kpse_inc"; then
+        # Build tree
+        echo "$kpse_inc"
+      elif test -f "$srcdir/$kpse_inc"; then
+        # Source tree
+        echo "$srcdir/$kpse_inc"
+      fi;;
+  esac`
+  if test -n "$kpse_read"; then
+    kpse_mung=`echo $kpse_inc | sed 's,/,%,g'`
+    kpse_substs="$kpse_substs -e '/^kpse_include $kpse_mung$/r $kpse_read'"
+  fi
+done
+# ... and fix the whitespace and escaped slashes.
+kpse_substs=`echo "$kpse_substs" | sed -e 's,%,\\\/,g' \
+  -e 's/kpse_include /kpse_include[[ 	]]*/g'`
+dnl The parens around the eval prevent an "illegal io" in Ultrix sh.
+(eval $kpse_substs -e '/^kpse_include/d' "$kpse_input") > $1
+])
+
diff --git a/Build/source/texk/m4/kpse_maint.m4 b/Build/source/texk/m4/kpse_maint.m4
new file mode 100644
index 00000000000..bf0ca3f5f17
--- /dev/null
+++ b/Build/source/texk/m4/kpse_maint.m4
@@ -0,0 +1,35 @@
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 4
+
+# Adapted for kpathsea
+
+# AM_MAINTAINER_MODE
+# ------------------
+# Check whether to enable maintainer-specific portions of Makefiles.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode is disabled by default
+  AC_ARG_ENABLE(maintainer-mode,
+[  --enable-maintainer-mode  enable make rules and dependencies not useful
+			  (and sometimes confusing) to the casual installer],
+      USE_MAINTAINER_MODE=$enableval,
+      USE_MAINTAINER_MODE=no)
+  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+  if test "x$USE_MAINTAINER_MODE" = xyes; then
+    MAINT=
+  else
+    MAINT='#M#'
+  fi
+  AC_SUBST(MAINT)dnl
+]
+)
+
diff --git a/Build/source/texk/m4/kpse_mtim.m4 b/Build/source/texk/m4/kpse_mtim.m4
new file mode 100644
index 00000000000..90958a566e4
--- /dev/null
+++ b/Build/source/texk/m4/kpse_mtim.m4
@@ -0,0 +1,25 @@
+# Private macro for the kpathsea library.
+# by Karl Berry <karl@freefriends.org>
+# Copyright (C) 199? - 2008
+# Free Software Foundation, Inc.
+#
+# This file 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.
+
+# serial 1
+
+# KPSE_STRUCT_ST_MTIM
+# -------------------
+# Test for member st_mtim in struct stat
+# Should use AC_CHECK_MEMBER or AC_CHECK_MEMBERS
+AC_DEFUN([KPSE_STRUCT_ST_MTIM],
+[AC_CACHE_CHECK([for st_mtim in struct stat], ac_cv_struct_st_mtim,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/stat.h>], [struct stat s; s.st_mtim;],
+ac_cv_struct_st_mtim=yes, ac_cv_struct_st_mtim=no)])
+if test $ac_cv_struct_st_mtim = yes; then
+  AC_DEFINE(HAVE_ST_MTIM)
+fi
+])
+
diff --git a/Build/source/texk/m4/kpse_unset.m4 b/Build/source/texk/m4/kpse_unset.m4
new file mode 100644
index 00000000000..a93d8ef0da8
--- /dev/null
+++ b/Build/source/texk/m4/kpse_unset.m4
@@ -0,0 +1,34 @@
+# Private macros for the kpathsea library.
+# by Karl Berry <karl@freefriends.org>
+# Copyright (C) 199? - 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 1
+
+# AC_UNSET_CC
+# -----------
+# Unset CC to run configure with cross compiler.
+AC_DEFUN([AC_UNSET_CC], [
+ZZ=
+if test "$cross_compiling" = yes &&
+   (test "x$CC" = "xdos-gcc" || test "x$CC" = "xi386-mingw32-gcc" || test "x$CC" = "xgnuwin32gcc") ; then
+ZZ=$CC
+unset CC
+cross_compiling=no
+fi
+])
+
+# AC_RESET_CC
+# -----------
+# Restore CC that has been unset by AC_UNSET_CC
+AC_DEFUN([AC_RESET_CC], [
+if test "x$ZZ" = "xdos-gcc" || test "x$ZZ" = "xi386-mingw32-gcc" || test "x$ZZ" = "xgnuwin32gcc" ; then
+CC=$ZZ
+cross_compiling=yes
+fi
+])
+