Rename configure.in -> configure.ac. Based on PR mono#976.

.gitattributes

@@ -1,5 +1,5 @@
 # ensure LF endings on all checkouts
-configure.in crlf=input
+configure.ac crlf=input
 
 # ensure native line endings on checkout
 *.c	crlf

Makefile.am

@@ -160,9 +160,9 @@ package-inputs:
 	done
 	echo "</root>" >> msvc/scripts/order.xml
 
-# Update llvm version in configure.in to the output of $LLVM_DIR/bin/llvm-config --version
+# Update llvm version in configure.ac to the output of $LLVM_DIR/bin/llvm-config --version
 update-llvm-version:
 	if test "x$$LLVM_DIR" = "x"; then echo "Set the make variable LLVM_DIR to the directory containing the LLVM installation."; exit 1; fi
-	REV=`$(LLVM_DIR)/bin/llvm-config --version` && sed -e "s,expected_llvm_version=.*,expected_llvm_version=\"$$REV\"," < configure.in > tmp && mv tmp configure.in && echo "Version set to $$REV."
+	REV=`$(LLVM_DIR)/bin/llvm-config --version` && sed -e "s,expected_llvm_version=.*,expected_llvm_version=\"$$REV\"," < configure.ac > tmp && mv tmp configure.ac && echo "Version set to $$REV."
 
 

autogen.sh

@@ -37,7 +37,7 @@ if [ -z "$LIBTOOL" ]; then
   fi
 fi
 
-(grep "^AM_PROG_LIBTOOL" $srcdir/configure.in >/dev/null) && {
+(grep "^AM_PROG_LIBTOOL" $srcdir/configure.ac >/dev/null) && {
   ($LIBTOOL --version) < /dev/null > /dev/null 2>&1 || {
     echo
     echo "**Error**: You must have \`libtool' installed to compile Mono."
@@ -47,8 +47,8 @@ fi
   }
 }
 
-grep "^AM_GNU_GETTEXT" $srcdir/configure.in >/dev/null && {
-  grep "sed.*POTFILES" $srcdir/configure.in >/dev/null || \
+grep "^AM_GNU_GETTEXT" $srcdir/configure.ac >/dev/null && {
+  grep "sed.*POTFILES" $srcdir/configure.ac >/dev/null || \
   (gettext --version) < /dev/null > /dev/null 2>&1 || {
     echo
     echo "**Error**: You must have \`gettext' installed to compile Mono."
@@ -95,7 +95,7 @@ xlc )
 esac
 
 
-if grep "^AM_PROG_LIBTOOL" configure.in >/dev/null; then
+if grep "^AM_PROG_LIBTOOL" configure.ac >/dev/null; then
   if test -z "$NO_LIBTOOLIZE" ; then 
     echo "Running libtoolize..."
     ${LIBTOOL}ize --force --copy
@@ -138,7 +138,7 @@ aclocal -Wnone -I m4 -I . $ACLOCAL_FLAGS || {
   exit 1
 }
 
-if grep "^AC_CONFIG_HEADERS" configure.in >/dev/null; then
+if grep "^AC_CONFIG_HEADERS" configure.ac >/dev/null; then
   echo "Running autoheader..."
   autoheader || { echo "**Error**: autoheader failed."; exit 1; }
 fi

build-mingw32.sh

@@ -57,7 +57,7 @@ function setup ()
     CROSS_DLL_DIR="$CROSS_DIR/bin"
     PATH=$CROSS_BIN_DIR:$PATH
 
-    MONO_VERSION=`grep AC_INIT configure.in | cut -d ',' -f 2|tr -d '\[ \]'`
+    MONO_VERSION=`grep AC_INIT configure.ac | cut -d ',' -f 2|tr -d '\[ \]'`
 
     if [ -d ./.git ]; then
 	MONO_GIT_COMMIT="`git log -1 --format=format:%t`"

configure.in → configure.ac

@@ -344,7 +344,7 @@ case "$host" in
 		use_sigposix=yes
 		;;
 	*)
-		AC_MSG_WARN([*** Please add $host to configure.in checks!])
+		AC_MSG_WARN([*** Please add $host to configure.ac checks!])
 		host_win32=no
 		libdl="-ldl"
 		;;
@@ -1142,7 +1142,7 @@ if test x$target_win32 = xno; then
 	else
 		LIBS="$LIBS $DL_LIB"
 		AC_DEFINE(HAVE_DL_LOADER,1,[dlopen-based dynamic loader available])
-		dnl from glib's configure.in
+		dnl from glib's configure.ac
 		AC_CACHE_CHECK([for preceeding underscore in symbols],
 			mono_cv_uscore,[
 			AC_TRY_RUN([#include <dlfcn.h>

libgc/Makefile.direct

@@ -331,7 +331,7 @@ DOC_FILES= README.QUICK doc/README.Mac doc/README.MacOSX doc/README.OS2 \
 TESTS= tests/test.c tests/test_cpp.cc tests/trace_test.c \
 	tests/leak_test.c tests/thread_leak_test.c tests/middle.c
 
-GNU_BUILD_FILES= configure.in Makefile.am configure acinclude.m4 \
+GNU_BUILD_FILES= configure.ac Makefile.am configure acinclude.m4 \
 		 libtool.m4 install-sh configure.host Makefile.in \
 		 aclocal.m4 config.sub config.guess \
 		 include/Makefile.am include/Makefile.in \

libgc/README.Mono

@@ -5,8 +5,8 @@ This is a modified version of Boehm GC 6.1 for Mono.
   - Makefile changes:
 
     libgc has a lot of configurable options which are AC_DEFINE()d in its
-    configure.in.  To make it easier to build and bundle it with Mono, I
-    replaced most of the orignal configure.in and the makefiles with custom
+    configure.ac.  To make it easier to build and bundle it with Mono, I
+    replaced most of the orignal configure.ac and the makefiles with custom
     versions which just define what we actually need for Mono.
 
     This means that you can just run configure in this directory and it'll
@@ -58,7 +58,7 @@ This is a modified version of Boehm GC 6.1 for Mono.
 
         cvs diff -u -r LIBGC
 
-  When importing new upstream versions, don't import the new configure.in or any of the
+  When importing new upstream versions, don't import the new configure.ac or any of the
   Makefile.am's; they've been replaced by custom versions.  Just import all the new source
   files and it should be fine.
 

libgc/autogen.sh

@@ -22,7 +22,7 @@ if [ -z "$LIBTOOL" ]; then
   fi
 fi
 
-(grep "^AM_PROG_LIBTOOL" $srcdir/configure.in >/dev/null) && {
+(grep "^AM_PROG_LIBTOOL" $srcdir/configure.ac >/dev/null) && {
   ($LIBTOOL --version) < /dev/null > /dev/null 2>&1 || {
     echo
     echo "**Error**: You must have \`libtool' installed to compile Mono."
@@ -32,8 +32,8 @@ fi
   }
 }
 
-grep "^AM_GNU_GETTEXT" $srcdir/configure.in >/dev/null && {
-  grep "sed.*POTFILES" $srcdir/configure.in >/dev/null || \
+grep "^AM_GNU_GETTEXT" $srcdir/configure.ac >/dev/null && {
+  grep "sed.*POTFILES" $srcdir/configure.ac >/dev/null || \
   (gettext --version) < /dev/null > /dev/null 2>&1 || {
     echo
     echo "**Error**: You must have \`gettext' installed to compile Mono."
@@ -80,7 +80,7 @@ xlc )
 esac
 
 
-if grep "^AC_PROG_LIBTOOL" configure.in >/dev/null; then
+if grep "^AC_PROG_LIBTOOL" configure.ac >/dev/null; then
   if test -z "$NO_LIBTOOLIZE" ; then 
     echo "Running libtoolize..."
     ${LIBTOOL}ize --force --copy
@@ -99,7 +99,7 @@ aclocal $ACLOCAL_FLAGS || {
   exit 1
 }
 
-if grep "^AC_CONFIG_HEADERS" configure.in >/dev/null; then
+if grep "^AC_CONFIG_HEADERS" configure.ac >/dev/null; then
   echo "Running autoheader..."
   autoheader || { echo "**Error**: autoheader failed."; exit 1; }
 fi

libgc/doc/README

@@ -6,7 +6,7 @@ Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P.
 The file linux_threads.c is also
 Copyright (c) 1998 by Fergus Henderson.  All rights reserved.
 
-The files Makefile.am, and configure.in are
+The files Makefile.am, and configure.ac are
 Copyright (c) 2001 by Red Hat Inc. All rights reserved.
 
 Several files supporting GNU-style builds are copyrighted by the Free

libgc/doc/README.changes

@@ -1269,7 +1269,7 @@ Since 6.0alpha6:
    many places.  (Thanks to Benjamin Lerman.)
  - Made win32_threads.c more tolerant of detaching a thread that it didn't
    know about.  (Thanks to Paul Nash.)
- - Added Makefile.am and configure.in from gcc to the distribution, with
+ - Added Makefile.am and configure.ac from gcc to the distribution, with
    minimal changes.  For the moment, those are just placeholders.  In the
    future, we're planning to switch to a GNU-style build environment for
    Un*x-like systems, though the old Makefile will remain as a backup.
@@ -1491,7 +1491,7 @@ Since 6.1alpha3:
  - Fixed a formatting error in dbg_mlc.c.  Added prototype to GC_abort()
    declaration.   (Thanks to Michael Smith.)
  - Removed "source" argument to GC_find_start().  Eliminate GC_FIND_START().
- - Added win32 recognition code in configure.in.  Changed some of the
+ - Added win32 recognition code in configure.ac.  Changed some of the
    dllimport/export defines in gc.h.  (Thanks to Adam Megacz.)
  - GC_malloc_many didn't set hb_last_reclaimed when it called 
    GC_reclaim_generic.  (I'm not sure this matters much, but ...)
@@ -1629,7 +1629,7 @@ Since 6.1alpha4:
 
 Since 6.1alpha5:
  - Added GC_MAXIMUM_HEAP_SIZE environment variable.
- - Fix configure.in for MIPS/LINUX. (Thanks to H.J. Lu.)
+ - Fix configure.ac for MIPS/LINUX. (Thanks to H.J. Lu.)
  - Double page hash table size for -DLARGE_CONFIG.
  - Integrated Bo Thorsen's X86-64 support.
  - STACKBOTTOM definition for LINUX/MIPS was partially changed back.
@@ -1942,7 +1942,7 @@ Since 6.3alpha1:
    There is also still some code duplication with pthread_support.c.
    (Thread descriptors did become much smaller, since Ben Hutchings
    removed the thread context from them.)
- - Integrated a Solaris configure.in patch from Rainer Orth.
+ - Integrated a Solaris configure.ac patch from Rainer Orth.
  - Added GC_IGNORE_FB and associated warning to very partially address
    the issue of the collector treating a mapped frame buffer as part
    of the root set.  (Thanks to David Peroutka for providing some
@@ -2151,7 +2151,7 @@ Since 6.3:
    it seems to be incorrect if the preceding memory op is a load.
  - Fixed print_block_list to print the correct kind number for
    STUBBORN.  (Thanks to Rutger Ovidus.)
- - Have configure.in generate an error if it is asked to support
+ - Have configure.ac generate an error if it is asked to support
    pthreads, but doesn't know how to.
  - Added Kazuhiro Inaoka's patch for Renesas M32R support.
  - Have the GNU build mechanism link with -ldl.  Rename THREADLIBS

libgc/version.h

@@ -1,4 +1,4 @@
-/* The version here should match that in configure/configure.in	*/
+/* The version here should match that in configure/configure.ac	*/
 /* Eventually this one may become unnecessary.  For now we need	*/
 /* it to keep the old-style build process working.		*/
 #define GC_TMP_VERSION_MAJOR 6
@@ -14,7 +14,7 @@
      GC_TMP_VERSION_MINOR != GC_VERSION_MINOR || \
      defined(GC_ALPHA_VERSION) != (GC_TMP_ALPHA_VERSION != GC_NOT_ALPHA) || \
      defined(GC_ALPHA_VERSION) && GC_TMP_ALPHA_VERSION != GC_ALPHA_VERSION
-#   error Inconsistent version info.  Check README, version.h, and configure.in.
+#   error Inconsistent version info.  Check README, version.h, and configure.ac.
 # endif
 #else
 # define GC_VERSION_MAJOR GC_TMP_VERSION_MAJOR

mono/io-layer/io.c

@@ -705,7 +705,7 @@ static gboolean file_setendoffile(gpointer handle)
 	}
 
 #ifdef FTRUNCATE_DOESNT_EXTEND
-	/* I haven't bothered to write the configure.in stuff for this
+	/* I haven't bothered to write the configure.ac stuff for this
 	 * because I don't know if any platform needs it.  I'm leaving
 	 * this code just in case though
 	 */

mono/metadata/Makefile.am.in

@@ -75,7 +75,7 @@ AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/mono $(LIBGC_CPPFLAGS) $(GLIB_CFLA
 #  mono-config.c uses MONO_CFG_DIR
 #
 # This won't result in many more false positives than AC_DEFINEing them
-# in configure.in.
+# in configure.ac.
 #
 assembly.lo mono-config.lo: Makefile
 

mono/utils/atomic.h

@@ -167,7 +167,7 @@ static inline void InterlockedWrite16(volatile gint16 *dst, gint16 val)
 	mono_memory_barrier ();
 }
 
-/* Prefer GCC atomic ops if the target supports it (see configure.in). */
+/* Prefer GCC atomic ops if the target supports it (see configure.ac). */
 #elif defined(USE_GCC_ATOMIC_OPS)
 
 static inline gint32 InterlockedCompareExchange(volatile gint32 *dest,

mono/utils/gc_wrapper.h

@@ -27,10 +27,10 @@
 
 #	if defined(HAVE_KW_THREAD) && defined(USE_INCLUDED_LIBGC) && !defined(__powerpc__)
         /* The local alloc stuff is in pthread_support.c, but solaris uses solaris_threads.c */
-        /* It is also disabled on solaris/x86 by libgc/configure.in */
+        /* It is also disabled on solaris/x86 by libgc/configure.ac */
         /* 
 		 * ARM has no definition for some atomic functions in gc_locks.h and
-		 * support is also disabled in libgc/configure.in.
+		 * support is also disabled in libgc/configure.ac.
 		 */
 #       if !defined(__sparc__) && !defined(__sun) && !defined(__arm__) && !defined(__mips__)
 #		    define GC_REDIRECT_TO_LOCAL

winconfig.h

@@ -1,5 +1,5 @@
 /* config.h.  Generated from config.h.in by configure.  */
-/* config.h.in.  Generated from configure.in by autoheader.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
 
 /* The architecture this is running on */
 #if defined(_M_IA64)