configure: check for pandoc version properly.

[rust.git] / configure

diff --git a/configure b/configure
index c275b1a096a152c117050e7977381297e9470879..da1be03dfba95988e692aa23aa7a1432e402bf72 100755 (executable)
--- a/configure
+++ b/configure
@@ -363,11 +363,12 @@ fi
 
 if [ ! -z "$CFG_PANDOC" ]
 then
-       PANDOC_VER_LINE=$(pandoc --version | grep '^pandoc ')
-       PANDOC_VER=${PANDOC_VER_LINE#pandoc }
-       PV_MAJOR_MINOR=${PANDOC_VER%.[0-9]}
-       PV_MAJOR=${PV_MAJOR_MINOR%.[0-9]}
-       PV_MINOR=${PV_MAJOR_MINOR#[0-9].}
+    PANDOC_VER_LINE=$(pandoc --version | grep '^pandoc ')
+    PANDOC_VER=${PANDOC_VER_LINE#pandoc }
+    PV_MAJOR_MINOR=${PANDOC_VER%.[0-9]*}
+    PV_MAJOR=${PV_MAJOR_MINOR%%[.][0-9]*}
+    PV_MINOR=${PV_MAJOR_MINOR#[0-9]*[.]}
+    PV_MINOR=${PV_MINOR%%[.][0-9]*}
     if [ "$PV_MAJOR" -lt "1" ] || [ "$PV_MINOR" -lt "8" ]
     then
                step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. disabling"