* doc/include/gcc-common.texi: Define DEVELOPMENT.

ada:
	* gnat_rm.texi: Include gcc-common.texi.  Use GCC version number
	only.
	* Make-lang.in ($(srcdir)/ada/gnat_ug_unx.info,
	$(srcdir)/ada/gnat_ug_vms.info, $(srcdir)/ada/gnat_ug_vxw.info,
	$(srcdir)/ada/gnat_ug_wnt.info, $(srcdir)/ada/gnat_rm.info,
	ada/gnat_ug_unx.dvi, ada/gnat_ug_vms.dvi, ada/gnat_ug_vxw.dvi,
	ada/gnat_ug_wnt.dvi, ada/gnat_rm.dvi): Depend on
	$(srcdir)/doc/include/gcc-common.texi.

f:
	* root.texi: Include gcc-common.texi.
	* bugs.texi, news.texi: Don't include root.texi as part of full
	manual.
	* g77.texi: Update for use of gcc-common.texi.
	* Make-lang.in ($(srcdir)/f/g77.info, f/g77.dvi): Depend on
	$(srcdir)/doc/include/gcc-common.texi.

java:
	* gcj.texi: Include gcc-common.texi.
	* Make-lang.in ($(srcdir)/java/gcj.info, java/gcj.dvi): Depend on
	$(srcdir)/doc/include/gcc-common.texi.

treelang:
	* treelang.texi: Include gcc-common.texi.
	* Make-lang.in ($(srcdir)/treelang/treelang.info, treelang.dvi):
	Depend on gcc-common.texi.  Add other missing dependencies.
	(treelang.dvi): Use texi2dvi.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60446 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 607b179..37b47fd 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-12-23  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * doc/include/gcc-common.texi: Define DEVELOPMENT.
+
 2002-12-23  Mark Mitchell  <mark@codesourcery.com>
 
        * stor-layout.c (update_alignment_for_field): Correct handling of

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 27e4996..87b4ba8 100644 (file)
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,14 @@
+2002-12-23  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * gnat_rm.texi: Include gcc-common.texi.  Use GCC version number
+       only.
+       * Make-lang.in ($(srcdir)/ada/gnat_ug_unx.info,
+       $(srcdir)/ada/gnat_ug_vms.info, $(srcdir)/ada/gnat_ug_vxw.info,
+       $(srcdir)/ada/gnat_ug_wnt.info, $(srcdir)/ada/gnat_rm.info,
+       ada/gnat_ug_unx.dvi, ada/gnat_ug_vms.dvi, ada/gnat_ug_vxw.dvi,
+       ada/gnat_ug_wnt.dvi, ada/gnat_rm.dvi): Depend on
+       $(srcdir)/doc/include/gcc-common.texi.
+
 2002-12-15   Geert Bosch <bosch@gnat.com>
 
        * sem_ch6.adb (Analyze_Subprogram_Body): Fix typo and formatting

diff --git a/gcc/ada/Make-lang.in b/gcc/ada/Make-lang.in
index d7a6aff..4e6d446 100644 (file)
--- a/gcc/ada/Make-lang.in
+++ b/gcc/ada/Make-lang.in
@@ -366,23 +366,23 @@ $(srcdir)/ada/gnat_ug_wnt.texi : ada/doctools/xgnatug \
        ada/doctools/xgnatug wnt $(srcdir)/ada/gnat_ug.texi $(srcdir)/ada/ug_words $(srcdir)/ada/gnat_ug_wnt.texi
 
 $(srcdir)/ada/gnat_ug_unx.info : $(srcdir)/ada/gnat_ug_unx.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        cd $(srcdir) && $(MAKEINFO) -I doc/include -I ada -o ada/gnat_ug_unx.info ada/gnat_ug_unx.texi
 
 $(srcdir)/ada/gnat_ug_vms.info : $(srcdir)/ada/gnat_ug_vms.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        cd $(srcdir) && $(MAKEINFO) -I doc/include -I ada -o ada/gnat_ug_vms.info ada/gnat_ug_vms.texi
 
 $(srcdir)/ada/gnat_ug_vxw.info : $(srcdir)/ada/gnat_ug_vxw.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        cd $(srcdir) && $(MAKEINFO) -I doc/include -I ada -o ada/gnat_ug_vxw.info ada/gnat_ug_vxw.texi
 
 $(srcdir)/ada/gnat_ug_wnt.info : $(srcdir)/ada/gnat_ug_wnt.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        cd $(srcdir) && $(MAKEINFO) -I doc/include -I ada -o ada/gnat_ug_wnt.info ada/gnat_ug_wnt.texi
 
 $(srcdir)/ada/gnat_rm.info : $(srcdir)/ada/gnat_rm.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        cd $(srcdir) && $(MAKEINFO) -I doc/include -I ada -o ada/gnat_rm.info ada/gnat_rm.texi
 
 $(srcdir)/ada/gnat-style.info : $(srcdir)/ada/gnat-style.texi \
@@ -420,27 +420,27 @@ ada.install-info:
        -chmod a-x $(infodir)/gnat_rm.info* $(infodir)/gnat-style.info*
 
 ada/gnat_ug_unx.dvi : $(srcdir)/ada/gnat_ug_unx.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; \
        cd ada && $(TEXI2DVI) -c -I $$s/doc/include -o gnat_ug_unx.dvi $$s/ada/gnat_ug_unx.texi
 
 ada/gnat_ug_vms.dvi : $(srcdir)/ada/gnat_ug_vms.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; \
        cd ada && $(TEXI2DVI) -c -I $$s/doc/include -o gnat_ug_vms.dvi $$s/ada/gnat_ug_vms.texi
 
 ada/gnat_ug_vxw.dvi : $(srcdir)/ada/gnat_ug_vxw.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; \
        cd ada && $(TEXI2DVI) -c -I $$s/doc/include -o gnat_ug_vxw.dvi $$s/ada/gnat_ug_vxw.texi
 
 ada/gnat_ug_wnt.dvi : $(srcdir)/ada/gnat_ug_wnt.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; \
        cd ada && $(TEXI2DVI) -c -I $$s/doc/include -o gnat_ug_wnt.dvi $$s/ada/gnat_ug_wnt.texi
 
 ada/gnat_rm.dvi : $(srcdir)/ada/gnat_rm.texi \
-       $(srcdir)/doc/include/fdl.texi
+       $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; \
        cd ada && $(TEXI2DVI) -c -I $$s/doc/include -o gnat_rm.dvi $$s/ada/gnat_rm.texi
 

diff --git a/gcc/ada/gnat_rm.texi b/gcc/ada/gnat_rm.texi
index d1df13c..aa09ad8 100644 (file)
--- a/gcc/ada/gnat_rm.texi
+++ b/gcc/ada/gnat_rm.texi
@@ -8,7 +8,7 @@
 @c                                                                            o
 @c                              G N A T _ RM                                  o
 @c                                                                            o
-@c                            $Revision: 1.3.8.1 $
+@c                            $Revision: 1.8 $
 @c                                                                            o
 @c              Copyright (C) 1995-2002 Free Software Foundation              o
 @c                                                                            o
@@ -22,6 +22,8 @@
 @setchapternewpage odd
 @syncodeindex fn cp
 
+@include gcc-common.texi
+
 @dircategory GNU Ada tools
 @direntry
 * GNAT Reference Manual: (gnat_rm).  Reference Manual for GNU Ada tools.
@@ -31,12 +33,7 @@
 
 @title GNAT Reference Manual
 @subtitle GNAT, The GNU Ada 95 Compiler
-@ifset vxworks
-@title Version 3.16w
-@end ifset
-@ifclear vxworks
-@subtitle Version 3.16w
-@end ifclear
+@subtitle GNAT Version for GCC @value{version-GCC}
 @author Ada Core Technologies, Inc.
 
 @page
@@ -64,12 +61,7 @@ GNAT Reference Manual
 
 GNAT, The GNU Ada 95 Compiler
 
-@ifset vxworks
-Version 3.16w
-@end ifset
-@ifclear vxworks
-Version 3.16w
-@end ifclear
+GNAT Version for GCC @value{version-GCC}
 
 Ada Core Technologies, Inc.
 

diff --git a/gcc/doc/include/gcc-common.texi b/gcc/doc/include/gcc-common.texi
index c241322..7bc6de8 100644 (file)
--- a/gcc/doc/include/gcc-common.texi
+++ b/gcc/doc/include/gcc-common.texi
@@ -6,6 +6,11 @@
 
 @set version-GCC 3.4
 
+@c DEVELOPMENT is set to indicate an in-development version,
+@c as compared to a release version.  When making a release
+@c branch, clear this.
+@set DEVELOPMENT
+
 @c Common macros to support generating man pages:
 
 @macro gcctabopt{body}

diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog
index 5450de5..a88ff5f 100644 (file)
--- a/gcc/f/ChangeLog
+++ b/gcc/f/ChangeLog
@@ -1,3 +1,12 @@
+2002-12-23  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * root.texi: Include gcc-common.texi.
+       * bugs.texi, news.texi: Don't include root.texi as part of full
+       manual.
+       * g77.texi: Update for use of gcc-common.texi.
+       * Make-lang.in ($(srcdir)/f/g77.info, f/g77.dvi): Depend on
+       $(srcdir)/doc/include/gcc-common.texi.
+
 2002-12-19  Kazu Hirata  <kazu@cs.umass.edu>
 
        * intdoc.in: Fix typos.

diff --git a/gcc/f/Make-lang.in b/gcc/f/Make-lang.in
index 9c2e634..461bc0e 100644 (file)
--- a/gcc/f/Make-lang.in
+++ b/gcc/f/Make-lang.in
@@ -153,7 +153,8 @@ $(srcdir)/f/g77.info: $(srcdir)/f/g77.texi $(srcdir)/f/bugs.texi \
                $(srcdir)/f/news.texi  $(srcdir)/f/intdoc.texi \
                $(srcdir)/f/root.texi $(srcdir)/doc/include/fdl.texi \
                $(srcdir)/doc/include/gpl.texi \
-               $(srcdir)/doc/include/funding.texi
+               $(srcdir)/doc/include/funding.texi \
+               $(srcdir)/doc/include/gcc-common.texi
        if [ x$(BUILD_INFO) = xinfo ]; then \
          rm -f $(srcdir)/f/g77.info-*; \
          cd $(srcdir)/f && $(MAKEINFO) -I../doc/include -o g77.info g77.texi; \
@@ -164,7 +165,8 @@ f/g77.dvi: $(srcdir)/f/g77.texi $(srcdir)/f/bugs.texi \
                $(srcdir)/f/news.texi  $(srcdir)/f/intdoc.texi \
                $(srcdir)/f/root.texi $(srcdir)/doc/include/fdl.texi \
                $(srcdir)/doc/include/gpl.texi \
-               $(srcdir)/doc/include/funding.texi
+               $(srcdir)/doc/include/funding.texi \
+               $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; export s; \
        cd f && $(TEXI2DVI) -I $$s/doc/include $$s/f/g77.texi
 

diff --git a/gcc/f/bugs.texi b/gcc/f/bugs.texi
index f82d1bd..176072c 100644 (file)
--- a/gcc/f/bugs.texi
+++ b/gcc/f/bugs.texi
@@ -1,4 +1,4 @@
-@c Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+@c Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 @c This is part of the G77 manual.
 @c For copying conditions, see the file g77.texi.
 
@@ -11,9 +11,8 @@
 
 @set last-update-bugs 2002-02-01
 
-@include root.texi
-
 @ifset DOC-BUGS
+@include root.texi
 @c The immediately following lines apply to the BUGS file
 @c which is derived from this file.
 @emph{Note:} This file is automatically generated from the files

diff --git a/gcc/f/g77.texi b/gcc/f/g77.texi
index 526179b..9e9b516 100644 (file)
--- a/gcc/f/g77.texi
+++ b/gcc/f/g77.texi
@@ -24,33 +24,6 @@
 @c and make sure the following does NOT begin with '@c':
 @c @clear USING
 
-@c 6/27/96 FSF DO wants smallbook fmt for 1st bound edition. (from gcc.texi)
-@c @smallbook
-
-@c i also commented out the finalout command, so if there *are* any
-@c overfulls, you'll (hopefully) see the rectangle in the right hand
-@c margin. -- burley 1999-03-13 (from mew's comment in gcc.texi).
-@c @finalout
-
-@macro gcctabopt{body}
-@code{\body\}
-@end macro
-@macro gccoptlist{body}
-@smallexample
-\body\
-@end smallexample
-@end macro
-@c Makeinfo handles the above macro OK, TeX needs manual line breaks;
-@c they get lost at some point in handling the macro.  But if @macro is
-@c used here rather than @alias, it produces double line breaks.
-@iftex
-@alias gol = *
-@end iftex
-@ifnottex
-@macro gol
-@end macro
-@end ifnottex
-
 @ifset INTERNALS
 @ifset USING
 @settitle Using and Porting GNU Fortran
@@ -142,7 +115,6 @@ Inspired by a first pass at translating @file{g77-0.5.16/f/DOC} that
 was contributed to Craig by David Ronis (@email{ronis@@onsager.chem.mcgill.ca}).
 
 @setchapternewpage odd
-@c @finalout
 @titlepage
 @ifset INTERNALS
 @ifset USING

diff --git a/gcc/f/news.texi b/gcc/f/news.texi
index 757e737..e3e6fcb 100644 (file)
--- a/gcc/f/news.texi
+++ b/gcc/f/news.texi
@@ -12,9 +12,8 @@
 
 @set last-update-news 2002-11-19
 
-@include root.texi
-
 @ifset DOC-NEWS
+@include root.texi
 @c The immediately following lines apply to the NEWS file
 @c which is derived from this file.
 @emph{Note:} This file is automatically generated from the files

diff --git a/gcc/f/root.texi b/gcc/f/root.texi
index ffb1f15..d8619cc 100644 (file)
--- a/gcc/f/root.texi
+++ b/gcc/f/root.texi
@@ -1,9 +1,4 @@
-@c DEVELOPMENT is set to indicate an in-development version,
-@c as compared to a release version.  When making a release
-@c (e.g. a release branch in the CVS repository for gcc),
-@c clear this and set the version information correctly.
-@set DEVELOPMENT
-@set version-gcc 3.4
+@include gcc-common.texi
 
 @set email-general gcc@@gcc.gnu.org
 @set email-help gcc-help@@gcc.gnu.org
@@ -12,7 +7,7 @@
 @set path-g77 gcc/gcc/f
 @set path-libf2c gcc/libf2c
 
-@set which-g77 GCC-@value{version-gcc}
+@set which-g77 GCC-@value{version-GCC}
 @set which-gcc GCC
 
 @set email-burley craig@@jcb-sc.com

diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index 8b4a217..760502d 100644 (file)
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,9 @@
+2002-12-23  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * gcj.texi: Include gcc-common.texi.
+       * Make-lang.in ($(srcdir)/java/gcj.info, java/gcj.dvi): Depend on
+       $(srcdir)/doc/include/gcc-common.texi.
+
 2002-12-22  Anthony Green  <green@redhat.com>
 
        * gcj.texi (Limitations): Add note about org.xml.sax and

diff --git a/gcc/java/Make-lang.in b/gcc/java/Make-lang.in
index efc5883..2cad085 100644 (file)
--- a/gcc/java/Make-lang.in
+++ b/gcc/java/Make-lang.in
@@ -347,14 +347,15 @@ java/jcf-path.o: java/jcf-path.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 
 # Documentation
 $(srcdir)/java/gcj.info: $(srcdir)/java/gcj.texi \
-        $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gpl.texi
+        $(srcdir)/doc/include/fdl.texi $(srcdir)/doc/include/gpl.texi \
+        $(srcdir)/doc/include/gcc-common.texi
        if test "x$(BUILD_INFO)" = xinfo; then \
          rm -f $(srcdir)/java/gcc.info*; \
          cd $(srcdir)/java && $(MAKEINFO) -I../doc/include -o gcj.info gcj.texi; \
        else true; fi
 
 java/gcj.dvi: $(srcdir)/java/gcj.texi $(srcdir)/doc/include/fdl.texi \
-        $(srcdir)/doc/include/gpl.texi
+        $(srcdir)/doc/include/gpl.texi $(srcdir)/doc/include/gcc-common.texi
        s=`cd $(srcdir); ${PWD}`; export s; \
        cd java && $(TEXI2DVI) -I $$s/doc/include $$s/java/gcj.texi
 

diff --git a/gcc/java/gcj.texi b/gcc/java/gcj.texi
index a6dc6a2..0be327f 100644 (file)
--- a/gcc/java/gcj.texi
+++ b/gcc/java/gcj.texi
@@ -2,6 +2,8 @@
 @setfilename gcj.info
 @settitle Guide to GNU gcj
 
+@include gcc-common.texi
+
 @c Note: When reading this manual you'll find lots of strange
 @c circumlocutions like ``compiler for the Java language''.
 @c This is necessary due to Sun's restrictions on the use of
@@ -11,12 +13,7 @@
 @set copyrights-gcj 2001, 2002
 
 @c Versions
-@set version-gcc 3.4
-@set which-gcj GCC-@value{version-gcc}
-
-@macro gcctabopt{body}
-@code{\body\}
-@end macro
+@set which-gcj GCC-@value{version-GCC}
 
 @ifinfo
 @format

diff --git a/gcc/treelang/ChangeLog b/gcc/treelang/ChangeLog
index 5872756..a40952b 100644 (file)
--- a/gcc/treelang/ChangeLog
+++ b/gcc/treelang/ChangeLog
@@ -1,3 +1,10 @@
+2002-12-23  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * treelang.texi: Include gcc-common.texi.
+       * Make-lang.in ($(srcdir)/treelang/treelang.info, treelang.dvi):
+       Depend on gcc-common.texi.  Add other missing dependencies.
+       (treelang.dvi): Use texi2dvi.
+
 2002-12-22  Joseph S. Myers  <jsm@polyomino.org.uk>
 
        * treelang.texi: Use @ifnottex instead of @ifinfo.

diff --git a/gcc/treelang/Make-lang.in b/gcc/treelang/Make-lang.in
index 79da1a6..c7ac665 100644 (file)
--- a/gcc/treelang/Make-lang.in
+++ b/gcc/treelang/Make-lang.in
@@ -132,15 +132,21 @@ treelang.rest.encap:
 .phony:treelang.info
 treelang.info: $(srcdir)/treelang/treelang.info
 
-$(srcdir)/treelang/treelang.info: $(srcdir)/treelang/treelang.texi
+$(srcdir)/treelang/treelang.info: $(srcdir)/treelang/treelang.texi \
+        $(srcdir)/doc/include/gcc-common.texi \
+        $(srcdir)/doc/include/gpl.texi \
+        $(srcdir)/doc/include/fdl.texi \
+        $(srcdir)/doc/include/funding.texi
        cd $(srcdir) && $(MAKEINFO) $(MAKEINFOFLAGS) -Idoc/include \
        -o treelang/treelang.info treelang/treelang.texi
 
-treelang.dvi: $(srcdir)/treelang/treelang.texi
-       TEXINPUTS=$(srcdir)/treelang:$(srcdir):$$TEXINPUTS $(TEXI2DVI) $(srcdir)/treelang/treelang.texi; \
-         texindex treelang.??; \
-         TEXINPUTS=$(srcdir)/treelang:$(srcdir):$$TEXINPUTS $(TEXI2DVI) $(srcdir)/treelang/treelang.texi; \
-         mv treelang.dvi treelang;
+treelang.dvi: $(srcdir)/treelang/treelang.texi \
+        $(srcdir)/doc/include/gcc-common.texi \
+        $(srcdir)/doc/include/gpl.texi \
+        $(srcdir)/doc/include/fdl.texi \
+        $(srcdir)/doc/include/funding.texi
+       s=`cd $(srcdir); ${PWD}`; export s; \
+       cd treelang && $(TEXI2DVI) -I $$s/doc/include $$s/treelang/treelang.texi
 
 treelang.generated-manpages:
 

diff --git a/gcc/treelang/treelang.texi b/gcc/treelang/treelang.texi
index 4c496fc..1104d81 100644 (file)
--- a/gcc/treelang/treelang.texi
+++ b/gcc/treelang/treelang.texi
@@ -8,15 +8,12 @@
 @c %**start of header
 @setfilename treelang.info
 
+@include gcc-common.texi
+
+@set version-treelang 1.0
+
 @set last-update 2001-07-30
 @set copyrights-treelang 1995,1996,1997,1998,1999,2000,2001,2002
-@c DEVELOPMENT is set to indicate an in-development version,
-@c as compared to a release version.  When making a release
-@c (e.g. a release branch in the CVS repository for GCC),
-@c clear this and set the version information correctly.
-@clear DEVELOPMENT
-@set version-treelang 1.0
-@set version-GCC 3.0
 
 @set email-general gcc@@gcc.gnu.org
 @set email-bugs gcc-bugs@@gcc.gnu.org or bug-gcc@@gnu.org
@@ -46,14 +43,6 @@
 @c and make sure the following does NOT begin with '@c':
 @c @clear USING
 
-@c 6/27/96 FSF DO wants smallbook fmt for 1st bound edition. (from gcc.texi)
-@c @smallbook
-
-@c i also commented out the finalout command, so if there *are* any
-@c overfulls, you'll (hopefully) see the rectangle in the right hand
-@c margin. -- burley 1999-03-13 (from mew's comment in GCC.texi).
-@c @finalout
-
 @ifset INTERNALS
 @ifset USING
 @settitle Using and Maintaining GNU Treelang