From 232698c6d21ad263e1d0eced3281e2001d21fada Mon Sep 17 00:00:00 2001
From: Stefan Sauer <ensonic@users.sf.net>
Date: Sun, 14 Apr 2019 16:06:03 +0200
Subject: highlight: also use pygments for highlighting in fixxref

Extract the pygments highlighter from mkhtml2 and also use it in fixxref. This
lets us drop the relevant configure options and avoid shelling out to external
tools. This has been a frequent source of issue reports.

Fixes #78
---
 configure.ac | 63 ------------------------------------------------------------
 1 file changed, 63 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 1503ca4..97608d2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,66 +57,6 @@ dnl check for DocBook DTD and stylesheets in the local catalog.
 JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.3//EN], [DocBook XML DTD V4.3])
 JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl], [DocBook XSL Stylesheets])
 
-dnl
-dnl Check for syntax highlighters
-dnl
-AC_ARG_WITH([highlight],
-	AS_HELP_STRING([--with-highlight], [Select source code syntax highlighter (no|source-highlight|highlight|vim|auto)]),
-	, [with_highlight=auto])
-
-case $with_highlight in
-	no|source-highlight|highlight|vim|auto) ;;
-	*) AC_MSG_ERROR([Invalid value for syntax highlighting option.]) ;;
-esac
-
-HIGHLIGHT_OPTIONS=""
-if test "$with_highlight" = "auto"; then
-	AC_PATH_PROG([HIGHLIGHT], [source-highlight])
-	if test -n "$HIGHLIGHT"; then
-		HIGHLIGHT_OPTIONS="-t4 -s\$SRC_LANG -cstyle.css --no-doc -i"
-	else
-		AC_PATH_PROG([HIGHLIGHT], [highlight])
-		if test -n "$HIGHLIGHT"; then
-			HIGHLIGHT_OPTIONS="--syntax=\$SRC_LANG --out-format=xhtml -f --class-name=gtkdoc "
-		else
-			AC_PATH_PROG([HIGHLIGHT], [vim])
-			if test -n "$HIGHLIGHT"; then
-				dnl vim is useless if it does not support syntax highlighting
-				AC_MSG_CHECKING([whether vim has +syntax feature])
-				if $HIGHLIGHT --version | grep '+syntax' >/dev/null; then
-					AC_MSG_RESULT([yes])
-				else
-					AC_MSG_RESULT([no])
-					HIGHLIGHT=
-				fi
-			fi
-		fi
-	fi
-else
-	if test "$with_highlight" != "no"; then
-		AC_PATH_PROG([HIGHLIGHT], [$with_highlight], [no])
-	fi
-
-	case $with_highlight in
-		source-highlight) HIGHLIGHT_OPTIONS="-t4 -s\$SRC_LANG -cstyle.css --no-doc -i";;
-		highlight) HIGHLIGHT_OPTIONS="--syntax=\$SRC_LANG --out-format=xhtml -f --class-name=gtkdoc ";;
-		vim)
-			AC_MSG_CHECKING([whether vim has +syntax feature])
-			if $HIGHLIGHT --version | grep '+syntax' >/dev/null; then
-				AC_MSG_RESULT([yes])
-			else
-				AC_MSG_RESULT([no])
-				HIGHLIGHT=no
-			fi
-		;;
-	esac
-
-	if test "$HIGHLIGHT" = "no" && test "$with_highlight" != "no"; then
-		AC_MSG_ERROR([Could not find requested syntax highlighter])
-	fi
-fi
-AC_SUBST([HIGHLIGHT_OPTIONS])
-
 dnl
 dnl Set runtime package dirs so we can find the script containing common routines.
 dnl
@@ -265,9 +205,6 @@ gtk-doc was configured with the following options:
 test -n "$DBLATEX$FOP" \
     && AC_MSG_NOTICE([** PDF support enabled, using $DBLATEX$FOP]) \
     || AC_MSG_NOTICE([   PDF support disabled, no dblatex or fop available])
-test -n "$HIGHLIGHT" \
-    && AC_MSG_NOTICE([** Syntax highlighting of examples enabled, using $HIGHLIGHT]) \
-    || AC_MSG_NOTICE([   Syntax highlighting of examples disabled])
 test "x$build_tests" != "xno" \
     && AC_MSG_NOTICE([** Building regression tests]) \
     || AC_MSG_NOTICE([   Skipping regression tests])
-- 
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