Embedding: fix a crash when extracting InsetInclude

[lyx.git] / config / lyxinclude.m4

diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4
index 8916717c5e6149d5859e045a56e4acc5335e8eb9..2f937339b2dc6c75cbc6b1a52b46dfdcda261af7 100644 (file)
--- a/config/lyxinclude.m4
+++ b/config/lyxinclude.m4
@@ -156,6 +156,7 @@ fi
 AC_MSG_RESULT($CXX)
 
 AC_PROG_CXX
+AC_PROG_CXXCPP
 
 ### We might want to get or shut warnings.
 AC_ARG_ENABLE(warnings,
@@ -215,7 +216,7 @@ esac
 
 AC_ARG_ENABLE(pch,
   AC_HELP_STRING([--enable-pch],[enable precompiled headers]),,
-       enable_pch=yes;)
+       enable_pch=no;)
 lyx_pch_comp=no
 
 # set the compiler options correctly.
@@ -408,7 +409,7 @@ dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
 dnl        be used.
 AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
        AC_ARG_WITH(included-boost,
-           [  --without-included-boost  do not use the boost lib supplied with LyX],
+           [  --without-included-boost  do not use the boost lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found],
            [lyx_cv_with_included_boost=$withval
                AC_MSG_RESULT([$with_included_boost])],
            [lyx_cv_with_included_boost=yes])
@@ -714,3 +715,20 @@ do
        break],
       [AC_MSG_RESULT(no)])
 done])
+
+dnl Extract the single digits from PACKAGE_VERSION and make them available.
+dnl Defines LYX_MAJOR_VERSION, LYX_MINOR_VERSION, LYX_RELEASE_LEVEL, and
+dnl LYX_RELEASE_PATCH, the latter being possibly equal to 0.
+AC_DEFUN([LYX_SET_VERSION_INFO],
+[lyx_major=`echo $PACKAGE_VERSION | sed -e 's/[[.]].*//'`
+ lyx_patch=`echo $PACKAGE_VERSION | sed -e "s/^$lyx_major//" -e 's/^.//'`
+ lyx_minor=`echo $lyx_patch | sed -e 's/[[.]].*//'`
+ lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_minor//" -e 's/^.//'`
+ lyx_release=`echo $lyx_patch | sed -e 's/[[^0-9]].*//'`
+ lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_release//" -e 's/^[[.]]//' -e 's/[[^0-9]].*//'`
+ test "x$lyx_patch" = "x" && lyx_patch=0
+ AC_SUBST(LYX_MAJOR_VERSION,$lyx_major)
+ AC_SUBST(LYX_MINOR_VERSION,$lyx_minor)
+ AC_SUBST(LYX_RELEASE_LEVEL,$lyx_release)
+ AC_SUBST(LYX_RELEASE_PATCH,$lyx_patch)
+])