allow to compile several frontends at once (and produce several binaries)

[lyx.git] / lib / configure.m4

diff --git a/lib/configure.m4 b/lib/configure.m4
index 292fc269937bf39f371705ff19f6ba53aa6201a7..2ad6325e8260dfb62d8a58aef250c5cc3ca57738 100644 (file)
--- a/lib/configure.m4
+++ b/lib/configure.m4
@@ -94,6 +94,16 @@ changequote(,)dnl
 dnl ######### End M4 macros #############################################
 
 
+# Be Bourne compatible (taken from autoconf 2.53)
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+  set -o posix
+fi
+
+
+
 ####some configuration variables
 outfile=lyxrc.defaults
 rc_entries=
@@ -268,7 +278,7 @@ SEARCH_PROG([for a DVI to PDF converter],dvi_to_pdf_command,dvipdfm)
 test $dvi_to_pdf_command = "dvipdfm" && dvi_to_pdf_command="dvipdfm \$\$i"
 
 # We have a script to convert previewlyx to ppm
-lyxpreview_to_bitmap_command="lyxpreview2bitmap.sh"
+lyxpreview_to_bitmap_command='$$s/lyxpreview2bitmap.sh'
 
 # Search a *roff program (used to translate tables in ASCII export)
 LYXRC_PROG([for a *roff formatter], \ascii_roff_command, dnl