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changeset 8272:fd48e35f4e5e

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New modules relocatable, relocatable-lib, relocatable-script.
author Bruno Haible <bruno@clisp.org>
date Thu, 01 Mar 2007 02:14:04 +0000
parents 0b09f59fddf2
children 024f3afb9ed3
files ChangeLog build-aux/install-reloc doc/gnulib.texi lib/progreloc.c lib/relocwrapper.c m4/relocatable-lib.m4 m4/relocatable.m4
diffstat 7 files changed, 103 insertions(+), 59 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,29 @@
+2007-02-26  Ben Pfaff  <blp@cs.stanford.edu>
+            Bruno Haible  <bruno@clisp.org>
+
+	* build-aux/install-reloc: Compile also c-ctype.c.
+	* build-aux/relocatable.sh.in: New file.
+	* doc/relocatable.texi: New file.
+	* doc/relocatable-maint.texi: New file.
+	* doc/gnulib.texi: Include relocatable-maint.texi.
+	* lib/progreloc.c: Include unistd.h unconditionally.
+	* lib/relocwrapper.c: Include unistd.h unconditionally.
+	Include c-ctype.h.
+	(add_dotbin): Use c_tolower.
+	* m4/relocatable-lib.m4: New file, extracted from m4/relocatable.m4.
+	(gl_RELOCATABLE_LIBRARY): Renamed from AC_RELOCATABLE_LIBRARY.
+	(gl_RELOCATABLE_NOP): Renamed from AC_RELOCATABLE_NOP.
+	* m4/relocatable.m4 (AC_RELOCATABLE_LIBRARY, AC_RELOCATABLE_NOP): Move
+	to m4/relocatable-lib.m4.
+	(gl_RELOCATABLE): Renamed from AC_RELOCATABLE. Set also
+	RELOCATABLE_CONFIG_H_DIR, RELOCATABLE_SRC_DIR, RELOCATABLE_BUILD_DIR.
+	(gl_RELOCATABLE_BODY): Renamed from AC_RELOCATABLE_BODY. Don't
+	require obsolete macro AC_EXEEXT. Don't check for unistd.h. Don't set
+	SET_RELOCATABLE. Instead set RELOCATABLE_LDFLAGS, INSTALL_PROGRAM_ENV.
+	* modules/relocatable: New file.
+	* modules/relocatable-lib: New file.
+	* modules/relocatable-script: New file.
+
 2007-02-28  Bruno Haible  <bruno@clisp.org>
 
 	Import --enable-relocatable infrastructure.
--- a/build-aux/install-reloc
+++ b/build-aux/install-reloc
@@ -119,7 +119,7 @@
 
 # Compile wrapper.
 installdir=`echo "$destprog" | sed -e 's,/[^/]*$,,'`
-func_verbose $compile_command -I"$builddir" -I"$srcdir" -I"$config_h_dir" -DHAVE_CONFIG_H -DIN_RELOCWRAPPER -DNO_XMALLOC -D"INSTALLPREFIX=\"$prefix\"" -D"INSTALLDIR=\"$installdir\"" -D"LIBPATHVAR=\"$library_path_var\"" -D"LIBDIRS=$libdirs" -D"EXEEXT=\"$exeext\"" "$srcdir"/relocwrapper.c "$srcdir"/progname.c "$srcdir"/progreloc.c "$srcdir"/xreadlink.c "$srcdir"/readlink.c "$srcdir"/canonicalize-lgpl.c "$srcdir"/allocsa.c "$srcdir"/relocatable.c "$srcdir"/setenv.c "$srcdir"/strerror.c -o "$destprog.wrapper$exeext" || exit $?
+func_verbose $compile_command -I"$builddir" -I"$srcdir" -I"$config_h_dir" -DHAVE_CONFIG_H -DIN_RELOCWRAPPER -DNO_XMALLOC -D"INSTALLPREFIX=\"$prefix\"" -D"INSTALLDIR=\"$installdir\"" -D"LIBPATHVAR=\"$library_path_var\"" -D"LIBDIRS=$libdirs" -D"EXEEXT=\"$exeext\"" "$srcdir"/relocwrapper.c "$srcdir"/progname.c "$srcdir"/progreloc.c "$srcdir"/xreadlink.c "$srcdir"/readlink.c "$srcdir"/canonicalize-lgpl.c "$srcdir"/allocsa.c "$srcdir"/relocatable.c "$srcdir"/setenv.c "$srcdir"/strerror.c "$srcdir"/c-ctype.c -o "$destprog.wrapper$exeext" || exit $?
 
 # Rename $destprog.wrapper -> $destprog -> $destprog.bin.
 ln -f "$destprog$exeext" "$destprog.bin$exeext" \
--- a/doc/gnulib.texi
+++ b/doc/gnulib.texi
@@ -1,5 +1,5 @@
 \input texinfo   @c -*-texinfo-*-
-@comment $Id: gnulib.texi,v 1.31 2007-01-03 18:51:20 karl Exp $
+@comment $Id: gnulib.texi,v 1.32 2007-03-01 02:14:04 haible Exp $
 @comment %**start of header
 @setfilename gnulib.info
 @settitle GNU Gnulib
@@ -7,7 +7,7 @@
 @syncodeindex pg cp
 @comment %**end of header
 
-@set UPDATED $Date: 2007-01-03 18:51:20 $
+@set UPDATED $Date: 2007-03-01 02:14:04 $
 
 @copying
 This manual is for GNU Gnulib (updated @value{UPDATED}),
@@ -365,6 +365,7 @@
 * gcd::
 * inet_ntoa::
 * Regular expressions::
+* Supporting Relocation::
 @end menu
 
 @include quote.texi
@@ -372,6 +373,7 @@
 @include ctime.texi
 @include gcd.texi
 @include inet_ntoa.texi
+@include relocatable-maint.texi
 
 @node Regular expressions
 @section Regular expressions
--- a/lib/progreloc.c
+++ b/lib/progreloc.c
@@ -27,9 +27,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
 #include <sys/stat.h>
 
 /* Get declaration of _NSGetExecutablePath on MacOS X 10.2 or newer.  */
--- a/lib/relocwrapper.c
+++ b/lib/relocwrapper.c
@@ -1,5 +1,5 @@
 /* Relocating wrapper program.
-   Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2003.
 
    This program is free software; you can redistribute it and/or modify
@@ -28,6 +28,7 @@
     -> setenv
        -> allocsa
     -> strerror
+    -> c-ctype
 
    Macros that need to be set while compiling this file:
      - ENABLE_RELOCATABLE 1
@@ -47,14 +48,13 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
 #include <errno.h>
 
 #include "progname.h"
 #include "relocatable.h"
 #include "setenv.h"
+#include "c-ctype.h"
 
 /* Return a copy of the filename, with an extra ".bin" at the end.
    More generally, it replaces "${EXEEXT}" at the end with ".bin${EXEEXT}".  */
@@ -83,8 +83,7 @@
 		{
 		  unsigned char c1 = *s1;
 		  unsigned char c2 = *s2;
-		  if ((c1 >= 'A' && c1 <= 'Z' ? c1 - 'A' + 'a' : c1)
-		      != (c2 >= 'A' && c2 <= 'Z' ? c2 - 'A' + 'a' : c2))
+		  if (c_tolower (c1) != c_tolower (c2))
 		    goto simple_append;
 		}
 	      /* Insert ".bin" before EXEEXT or its equivalent.  */
new file mode 100644
--- /dev/null
+++ b/m4/relocatable-lib.m4
@@ -0,0 +1,38 @@
+# relocatable-lib.m4 serial 1
+dnl Copyright (C) 2003, 2005-2006, 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+dnl Support for relocatable libraries.
+AC_DEFUN([gl_RELOCATABLE_LIBRARY],
+[
+  AC_REQUIRE([gl_RELOCATABLE_NOP])
+  dnl Easier to put this here once, instead of into the DEFS of each Makefile.
+  if test "X$prefix" = "XNONE"; then
+    reloc_final_prefix="$ac_default_prefix"
+  else
+    reloc_final_prefix="$prefix"
+  fi
+  AC_DEFINE_UNQUOTED([INSTALLPREFIX], ["${reloc_final_prefix}"],
+    [Define to the value of ${prefix}, as a string.])
+])
+
+dnl Support for relocatable packages for which it is a nop.
+AC_DEFUN([gl_RELOCATABLE_NOP],
+[
+  AC_MSG_CHECKING([whether to activate relocatable installation])
+  AC_ARG_ENABLE(relocatable,
+    [  --enable-relocatable    install a package that can be moved in the filesystem],
+    [if test "$enableval" != no; then
+       RELOCATABLE=yes
+     else
+       RELOCATABLE=no
+     fi
+    ], RELOCATABLE=no)
+  AC_SUBST(RELOCATABLE)
+  AC_MSG_RESULT([$RELOCATABLE])
+])
+
--- a/m4/relocatable.m4
+++ b/m4/relocatable.m4
@@ -1,33 +1,38 @@
-# relocatable.m4 serial 7 (gettext-0.16)
-dnl Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc.
+# relocatable.m4 serial 8
+dnl Copyright (C) 2003, 2005-2006, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl From Bruno Haible.
 
-dnl Support for relocateble programs.
-AC_DEFUN([AC_RELOCATABLE],
+dnl gl_RELOCATABLE([RELOCWRAPPER-DIR])
+dnl ----------------------------------------------------------
+dnl Support for relocatable programs.
+dnl Supply RELOCWRAPPER-DIR as the directory where relocwrapper.c may be found.
+AC_DEFUN([gl_RELOCATABLE],
 [
-  AC_REQUIRE([AC_RELOCATABLE_BODY])
+  AC_REQUIRE([gl_RELOCATABLE_BODY])
   if test $RELOCATABLE = yes; then
     AC_LIBOBJ([relocatable])
   fi
+  : ${RELOCATABLE_CONFIG_H_DIR='$(top_builddir)'}
+  RELOCATABLE_SRC_DIR="\$(top_srcdir)/$gl_source_base"
+  RELOCATABLE_BUILD_DIR="\$(top_builddir)/$gl_source_base"
 ])
-dnl The guts of AC_RELOCATABLE. Needs to be expanded only once.
-AC_DEFUN([AC_RELOCATABLE_BODY],
+dnl The guts of gl_RELOCATABLE. Needs to be expanded only once.
+AC_DEFUN([gl_RELOCATABLE_BODY],
 [
   AC_REQUIRE([AC_PROG_INSTALL])
   dnl This AC_BEFORE invocation leads to unjustified autoconf warnings
-  dnl when AC_RELOCATABLE_BODY is invoked more than once.
+  dnl when gl_RELOCATABLE_BODY is invoked more than once.
   dnl We need this AC_BEFORE because AC_PROG_INSTALL is documented to
   dnl overwrite earlier settings of INSTALL and INSTALL_PROGRAM (even
   dnl though in autoconf-2.52..2.60 it doesn't do so), but we want this
   dnl macro's setting of INSTALL_PROGRAM to persist.
-  AC_BEFORE([AC_PROG_INSTALL],[AC_RELOCATABLE_BODY])
+  AC_BEFORE([AC_PROG_INSTALL],[gl_RELOCATABLE_BODY])
   AC_REQUIRE([AC_LIB_LIBPATH])
-  AC_REQUIRE([AC_RELOCATABLE_LIBRARY])
-  AC_REQUIRE([AC_EXEEXT])
+  AC_REQUIRE([gl_RELOCATABLE_LIBRARY])
   is_noop=no
   use_elf_origin_trick=no
   if test $RELOCATABLE = yes; then
@@ -35,14 +40,15 @@
     enable_rpath=no
     AC_DEFINE([ENABLE_RELOCATABLE], 1,
       [Define to 1 if the package shall run at any location in the filesystem.])
-    AC_CHECK_HEADERS([unistd.h mach-o/dyld.h])
+    AC_CHECK_HEADERS([mach-o/dyld.h])
     AC_CHECK_FUNCS([_NSGetExecutablePath])
     case "$host_os" in
       mingw*) is_noop=yes ;;
       linux*) use_elf_origin_trick=yes ;;
     esac
     if test $is_noop = yes; then
-      SET_RELOCATABLE="RELOCATABLE_LDFLAGS = :"
+      RELOCATABLE_LDFLAGS=:
+      AC_SUBST([RELOCATABLE_LDFLAGS])
     else
       if test $use_elf_origin_trick = yes; then
         dnl Use the dynamic linker's support for relocatable programs.
@@ -50,55 +56,30 @@
           /*) reloc_ldflags="$ac_aux_dir/reloc-ldflags" ;;
           *) reloc_ldflags="\$(top_builddir)/$ac_aux_dir/reloc-ldflags" ;;
         esac
-        SET_RELOCATABLE="RELOCATABLE_LDFLAGS = \"$reloc_ldflags\" \"\$(host)\" \"\$(RELOCATABLE_LIBRARY_PATH)\""
+        RELOCATABLE_LDFLAGS="\"$reloc_ldflags\" \"\$(host)\" \"\$(RELOCATABLE_LIBRARY_PATH)\""
+        AC_SUBST([RELOCATABLE_LDFLAGS])
       else
         dnl Unfortunately we cannot define INSTALL_PROGRAM to a command
         dnl consisting of more than one word - libtool doesn't support this.
         dnl So we abuse the INSTALL_PROGRAM_ENV hook, originally meant for the
         dnl 'install-strip' target.
-        SET_RELOCATABLE="INSTALL_PROGRAM_ENV = RELOC_LIBRARY_PATH_VAR=\"$shlibpath_var\" RELOC_LIBRARY_PATH_VALUE=\"\$(RELOCATABLE_LIBRARY_PATH)\" RELOC_PREFIX=\"\$(prefix)\" RELOC_COMPILE_COMMAND=\"\$(CC) \$(CPPFLAGS) \$(CFLAGS) \$(LDFLAGS)\" RELOC_SRCDIR=\"\$(RELOCATABLE_SRC_DIR)\" RELOC_BUILDDIR=\"\$(RELOCATABLE_BUILD_DIR)\" RELOC_CONFIG_H_DIR=\"\$(RELOCATABLE_CONFIG_H_DIR)\" RELOC_EXEEXT=\"\$(EXEEXT)\" RELOC_INSTALL_PROG=\"$INSTALL_PROGRAM\""
+        INSTALL_PROGRAM_ENV="RELOC_LIBRARY_PATH_VAR=\"$shlibpath_var\" RELOC_LIBRARY_PATH_VALUE=\"\$(RELOCATABLE_LIBRARY_PATH)\" RELOC_PREFIX=\"\$(prefix)\" RELOC_COMPILE_COMMAND=\"\$(CC) \$(CPPFLAGS) \$(CFLAGS) \$(LDFLAGS)\" RELOC_SRCDIR=\"\$(RELOCATABLE_SRC_DIR)\" RELOC_BUILDDIR=\"\$(RELOCATABLE_BUILD_DIR)\" RELOC_CONFIG_H_DIR=\"\$(RELOCATABLE_CONFIG_H_DIR)\" RELOC_EXEEXT=\"\$(EXEEXT)\" RELOC_INSTALL_PROG=\"$INSTALL_PROGRAM\""
+        AC_SUBST([INSTALL_PROGRAM_ENV])
         case "$ac_aux_dir" in
           /*) INSTALL_PROGRAM="$ac_aux_dir/install-reloc" ;;
           *) INSTALL_PROGRAM="\$(top_builddir)/$ac_aux_dir/install-reloc" ;;
         esac
       fi
     fi
-  else
-    SET_RELOCATABLE=
   fi
-  AC_SUBST([SET_RELOCATABLE])
   AM_CONDITIONAL([RELOCATABLE_VIA_LD],
     [test $is_noop = yes || test $use_elf_origin_trick = yes])
-])
 
-dnl Support for relocatable libraries.
-AC_DEFUN([AC_RELOCATABLE_LIBRARY],
-[
-  AC_REQUIRE([AC_RELOCATABLE_NOP])
-  dnl Easier to put this here once, instead of into the DEFS of each Makefile.
-  if test "X$prefix" = "XNONE"; then
-    reloc_final_prefix="$ac_default_prefix"
-  else
-    reloc_final_prefix="$prefix"
-  fi
-  AC_DEFINE_UNQUOTED([INSTALLPREFIX], ["${reloc_final_prefix}"],
-    [Define to the value of ${prefix}, as a string.])
-])
-
-dnl Support for relocatable packages for which it is a nop.
-AC_DEFUN([AC_RELOCATABLE_NOP],
-[
-  AC_MSG_CHECKING([whether to activate relocatable installation])
-  AC_ARG_ENABLE(relocatable,
-    [  --enable-relocatable    install a package that can be moved in the filesystem],
-    [if test "$enableval" != no; then
-       RELOCATABLE=yes
-     else
-       RELOCATABLE=no
-     fi
-    ], RELOCATABLE=no)
-  AC_SUBST(RELOCATABLE)
-  AC_MSG_RESULT([$RELOCATABLE])
+  dnl RELOCATABLE_LIBRARY_PATH can be set in configure.ac. Default is empty.
+  AC_SUBST([RELOCATABLE_LIBRARY_PATH])
+  AC_SUBST([RELOCATABLE_CONFIG_H_DIR])
+  AC_SUBST([RELOCATABLE_SRC_DIR])
+  AC_SUBST([RELOCATABLE_BUILD_DIR])
 ])
 
 dnl Determine the platform dependent parameters needed to use relocatability: