X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=autogen.sh;h=5265cc4f5c6cc033f9f33e2152d1282d6677c9f6;hb=cd78cc23558680c626aea827dfa25edf3f6d822a;hp=9405b589f3e8b3a18976e6d27211d81e8dbc05d3;hpb=9ed3420ea10e9e4e82b137d66dc4755be17619a9;p=lyx.git

diff --git a/autogen.sh b/autogen.sh
index 9405b589f3..5265cc4f5c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,36 +1,54 @@
 #!/bin/sh
 
-ACLOCAL=aclocal
-AUTOHEADER=autoheader
+ACLOCAL="aclocal"
+AUTOHEADER="autoheader"
 AUTOMAKE="automake -a -c --foreign"
-AUTOCONF=autoconf
-GNUM4=
+AUTOCONF="autoconf"
+ACINCLUDE_FILES="lyxinclude.m4 libtool.m4 codeset.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4 progtest.m4 xforms.m4 qt.m4 gtk--.m4 gnome--.m4 gnome.m4 aspell.m4 pspell.m4 cygwin.m4 pkg.m4"
+
+# Discover what version of autoconf we are using.
+autoversion=`$AUTOCONF --version | head -n 1`
 
-ACINCLUDE_FILES="lyxinclude.m4 libtool.m4 codeset.m4 gettext.m4 glibc21.m4 iconv.m4 isc-posix.m4 lcmessage.m4 progtest.m4 xforms.m4 qt2.m4 gtk--.m4 gnome--.m4 gnome.m4 pspell.m4 pkg.m4"
-SIGCPP_ACINCLUDE_FILES="libtool.m4"
+echo "Using $autoversion"
+case $autoversion in
+    *2.5[234678])
+	EXTRA_ACINCLUDE_FILES="lyxinclude25x.m4"
+	;;
+    *)
+	echo "This autoconf version is not supported by LyX."
+	echo "LyX only supports autoconf 2.5[234678]."
+	exit
+	;;
+esac
 
 echo -n "Locating GNU m4... "
-for prog in $M4 gm4 gnum4 m4 ; do
-  case `$prog --version 2>&1` in
-    *GNU*) ok=yes
-	   GNUM4=$prog
-	   echo "found: $GNUM4"
-	   break ;;
-    *) ;;
-  esac
+GNUM4=
+for prog in $M4 gm4 gnum4 m4; do
+	# continue if $prog generates error (e.g. does not exist)
+	( $prog --version ) < /dev/null > /dev/null 2>&1
+	if test $? -ne 0 ; then continue; fi
+
+	# /dev/null input prevents a hang of the script for some m4 compilers (e.g. on FreeBSD)
+	case `$prog --version < /dev/null 2>&1` in
+	*GNU*)	GNUM4=$prog
+		break ;;
+	esac
 done
-if test x$ok = xno ; then
-    echo "not found."
+if test x$GNUM4 = x ; then
+	echo "not found."
+	exit
+else
+	echo `which $GNUM4`
 fi
 
 # Generate acinclude.m4
 echo -n "Generate acinclude.m4... "
 rm -f acinclude.m4
-(cd config ; cat ${ACINCLUDE_FILES} >../acinclude.m4)
+(cd config ; cat ${ACINCLUDE_FILES} ${EXTRA_ACINCLUDE_FILES} >../acinclude.m4)
 echo "done."
 
 # Generate the Makefiles and configure files
-if ( aclocal --version ) </dev/null > /dev/null 2>&1; then
+if ( $ACLOCAL --version ) < /dev/null > /dev/null 2>&1; then
 	echo "Building macros..."
 	for dir in . lib/reLyX ; do
 	    echo "        $dir"
@@ -42,7 +60,7 @@ else
 	exit
 fi
 
-if ( autoheader --version ) </dev/null > /dev/null 2>&1; then
+if ( $AUTOHEADER --version ) < /dev/null > /dev/null 2>&1; then
 	echo "Building config header template..."
 	for dir in . ; do
 	    echo "        $dir"
@@ -54,7 +72,7 @@ else
 	exit
 fi
 
-if ( $AUTOMAKE --version ) </dev/null > /dev/null 2>&1; then
+if ( $AUTOMAKE --version ) < /dev/null > /dev/null 2>&1; then
 	echo "Building Makefile templates..."
 	for dir in . lib/reLyX ; do
 	    echo "        $dir"
@@ -66,7 +84,7 @@ else
 	exit
 fi
 
-if ( $AUTOCONF --version ) </dev/null > /dev/null 2>&1; then
+if ( $AUTOCONF --version ) < /dev/null > /dev/null 2>&1; then
 	echo "Building configure..."
 	for dir in . lib/reLyX ; do
 	    echo "       $dir"
@@ -79,16 +97,11 @@ else
 fi
 
 # Autogenerate lib/configure.m4.
-if test x$GNUM4 != x ; then
-    echo -n "Building lib/configure ... "
-    rm -f lib/configure
-    $GNUM4 lib/configure.m4 > lib/configure
-    chmod a+x lib/configure
-    echo "done."
-else
-    echo "No GNU m4. Impossible to build lib/configure -- aborting"
-    exit
-fi
+echo -n "Building lib/configure ... "
+rm -f lib/configure
+$GNUM4 lib/configure.m4 > lib/configure
+chmod a+x lib/configure
+echo "done."
 
 echo
 echo 'run "./configure ; make"'