[BUG] config.ac

[Achim G. <Str...@ne...>]

The configury supposedly tries to find TEXDIR via kpsexpand, but that
code never gets run if $prefix is set. I think the code should rather do
this:

--8<---------------cut here---------------start------------->8---
--- origsrc/gnuplot-branch-5-2-stable/configure.ac	2017-10-14 02:00:11.000000000 +0200
+++ src/gnuplot-branch-5-2-stable/configure.ac	2017-10-15 17:31:46.192683400 +0200
@@ -146,11 +146,11 @@ if test "$with_latex" = yes; then
     [texdir is not given and there is no kpsexpand, please tell where to install])
   dnl texdir has priority
   if test "$TEXDIR" = "no"; then
-    if test "x$prefix" != "xNONE"; then
-      TEXDIR=${prefix}/share/texmf
-    else
-      TEXDIR=`$KPSEXPAND '$TEXMFLOCAL'`
-      if test "x$TEXDIR" = "x" -o "$TEXDIR" = "\$TEXMFLOCAL"; then
+    TEXDIR=`$KPSEXPAND '$TEXMFLOCAL'`
+    if test "x$TEXDIR" = "x" -o "$TEXDIR" = "\$TEXMFLOCAL"; then
+      if test "x$prefix" != "xNONE"; then
+        TEXDIR=${prefix}/share/texmf
+      else
         TEXDIR=${ac_default_prefix}/share/texmf
       fi
     fi
--8<---------------cut here---------------end--------------->8---


Regards,
Achim.
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