From: Han-Wen Nienhuys <hanwen@xs4all.nl>
Date: Sat, 14 May 2005 23:58:43 +0000 (+0000)
Subject: * Documentation/topdocs/INSTALL.texi (Top): remove Flex
X-Git-Tag: release/2.5.25~34
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=d4dfa0ea52d0107c6a810b28e67a742f6f331949;p=lilypond.git

* Documentation/topdocs/INSTALL.texi (Top): remove Flex
requirement.

* stepmake/aclocal.m4: STEPMAKE_FLEXLEXER_LOCATION: new
function. Figure out where FlexLexer.h lives

* lily/GNUmakefile (OUT_DIST_FILES): dist lexer.cc and FlexLexer.h
---

diff --git a/ChangeLog b/ChangeLog
index 3fee7dbd95..24bca3cda1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2005-05-15  Han-Wen Nienhuys  <hanwen@xs4all.nl>
+
+	* Documentation/topdocs/INSTALL.texi (Top): remove Flex
+	requirement.
+
+	* stepmake/aclocal.m4: STEPMAKE_FLEXLEXER_LOCATION: new
+	function. Figure out where FlexLexer.h lives
+
+	* lily/GNUmakefile (OUT_DIST_FILES): dist lexer.cc and FlexLexer.h
+	
 2005-05-14  Jan Nieuwenhuizen  <janneke@gnu.org>
 
 	* scripts/lilypond-invoke-editor.scm (dissect-uri): Handle URIs
diff --git a/Documentation/topdocs/INSTALL.texi b/Documentation/topdocs/INSTALL.texi
index ab6195654f..6055252f16 100644
--- a/Documentation/topdocs/INSTALL.texi
+++ b/Documentation/topdocs/INSTALL.texi
@@ -82,13 +82,6 @@ work.
 (version 1.6.5 or newer).  If you are installing binary packages, you
 may need to install guile-devel or guile-dev or libguile-dev too.
 
-@item @uref{http://www.gnu.org/software/flex/,Flex} (version 2.5.4a or newer).
-
-WARNING: plain Flex 2.5.4(a) generates invalid C++ code.  GCC 3.x
-chokes on this.  If you wish to use GCC 3.x, make sure that your
-distribution supports g++ 3.x and flex.  For workarounds, see
-lexer-gcc-3.1.sh in the source directory.
-
 @item @TeX{}.
 
 @TeX{} is used as an optional output backend.
diff --git a/config.make.in b/config.make.in
index 7a56d7bdc3..a5631d21f4 100644
--- a/config.make.in
+++ b/config.make.in
@@ -111,3 +111,4 @@ TTFTOOL_ENDIAN = @TTFTOOL_ENDIAN@
 WINDRES = @WINDRES@
 YACC = @YACC@
 ZIP = @ZIP@
+FLEXLEXER_PATH = @FLEXLEXER_PATH@
diff --git a/configure.in b/configure.in
index 2f68128636..8507283289 100644
--- a/configure.in
+++ b/configure.in
@@ -44,6 +44,7 @@ STEPMAKE_DLOPEN
 STEPMAKE_BISON(OPTIONAL, 1.29)
 STEPMAKE_FLEX(REQUIRED)
 STEPMAKE_FLEXLEXER(REQUIRED)
+STEPMAKE_FLEXLEXER_LOCATION
 AC_LANG_C
 STEPMAKE_LOCALE
 STEPMAKE_GETTEXT
@@ -91,6 +92,7 @@ STEPMAKE_WINDOWS
 
 # guile executable for some scripts
 STEPMAKE_GUILE(OPTIONAL)
+
 # perl for help2man.
 STEPMAKE_PERL(OPTIONAL)
 
@@ -100,7 +102,6 @@ STEPMAKE_PERL(OPTIONAL)
 # makeinfo -- but hopefully won't report makeinfo problems.
 STEPMAKE_PROGS(MAKEINFO, makeinfo, REQUIRED, 4.7)
 
-
 if test "$optimise_b" = yes; then
     DEFINES="$DEFINES -DSTRING_UTILS_INLINED"
     AC_DEFINE(STRINGS_UTILS_INLINED)
@@ -111,7 +112,6 @@ AC_DEFINE_UNQUOTED(FLOWER_VERSION, "${FULL_FLOWER_VERSION}")
 # Gather requirements and generate output.
 STEPMAKE_END
 
-
 test -n "$CONFIGURATION" && mc=" conf=$CONFIGURATION" || mc=""
 
 cat <<EOF
diff --git a/lily/GNUmakefile b/lily/GNUmakefile
index 1e07662bac..8e8025db6d 100644
--- a/lily/GNUmakefile
+++ b/lily/GNUmakefile
@@ -11,7 +11,7 @@ MODULE_CXXFLAGS=
 HELP2MAN_EXECS = lilypond
 STEPMAKE_TEMPLATES=c c++ executable po help2man
 
-OUT_DIST_FILES=$(addprefix $(outdir)/,parser.cc parser.hh)
+OUT_DIST_FILES=$(addprefix $(outdir)/,parser.cc parser.hh FlexLexer.h lexer.cc)
 
 include $(depth)/make/stepmake.make 
 
@@ -44,9 +44,14 @@ default:
 
 # force these: Make can't know these have to be generated in advance
 $(outdir)/lily-parser.o: $(outdir)/parser.hh
-$(outdir)/lily-lexer.o: $(outdir)/parser.hh
+$(outdir)/lily-lexer.o: $(outdir)/parser.hh $(outdir)/FlexLexer.h
 $(outdir)/lexer.o: $(outdir)/parser.hh $(outdir)/version.hh
 
+$(outdir)/FlexLexer.h: $(FLEXLEXER_PATH)/FlexLexer.h
+	cp $<  $@
+
+
+
 $(outdir)/general-scheme.o: $(outdir)/version.hh
 $(outdir)/kpath.o: $(outdir)/version.hh
 $(outdir)/lily-guile.o: $(outdir)/version.hh
diff --git a/stepmake/aclocal.m4 b/stepmake/aclocal.m4
index 6a6b2e3815..e35b8625a1 100644
--- a/stepmake/aclocal.m4
+++ b/stepmake/aclocal.m4
@@ -410,6 +410,18 @@ class yy_flex_lexer: public yyFlexLexer
 ])
   
 
+
+AC_DEFUN(STEPMAKE_FLEXLEXER_LOCATION, [
+	AC_MSG_CHECKING([FlexLexer.h path])
+
+	# ugh. 
+	FLEXLEXER_PATH=`echo '#include <FlexLexer.h>' | $CXX -E - | \
+	  sed 's!# 1 "\(.*\)FlexLexer.h"!@FLEXLEXER@\1@@!g' | grep '@@' | \
+	  sed 's!.*@FLEXLEXER@\(.*\)@@.*$!\1!g' ` >& /dev/null
+	AC_SUBST(FLEXLEXER_PATH)
+        AC_MSG_RESULT($FLEXLEXER_PATH)
+])
+
 AC_DEFUN(STEPMAKE_GCC, [
     if test "$GCC" = "yes"; then
         STEPMAKE_CHECK_VERSION(CC, $1, $2)