Bug fix for tensor::replace_contr_index().

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index c9960d7c8a617969b1a6c62869c17095eb9415af..44356f2770797c76134c64d4b5ce5235e704cf1e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -146,11 +146,14 @@ dnl Check for utilities needed by the different kinds of documentation.
 dnl Documentation needs only be built when extending it, so never mind if it
 dnl cannot find those helpers:
 AC_PATH_PROG(DOXYGEN, doxygen, "")
+AM_CONDITIONAL(CONFIG_DOXYGEN, [test ! -z "$DOXYGEN"])
 AC_PATH_PROG(LATEX, latex, "")
 AC_PATH_PROG(PDFLATEX, pdflatex, "")
 AC_PATH_PROG(MAKEINDEX, makeindex, "")
 AC_PATH_PROG(DVIPS, dvips, "")
+AM_CONDITIONAL(CONFIG_TEX, [test ! \( -z "$LATEX" -o -z $"PDFLATEX" -o -z "$MAKEINDEX" -o -z "$DVIPS" \)])
 AC_PATH_PROG(FIG2DEV, fig2dev, "")
+AM_CONDITIONAL(CONFIG_FIG2DEV, [test ! -z "$FIG2DEV"])
 
 dnl Output makefiles etc.
 AC_CONFIG_FILES([