doc/Makefile.am: Abstract out repeated TeX arguments into a variable.

diff --git a/doc/Makefile.am b/doc/Makefile.am
index c61002d6bb84e578ea7c980789219fbbd33b79e0..60661d5f1a2228a44c846f51b719688dc9015a36 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -31,6 +31,8 @@ TEX_FILES              =
 CLEANFILES             += *.aux *.out *.log *.toc *.ind *.idx *.ilg
 EXTRA_DIST             += $(TEX_FILES)
 
+TEXFLAGS                = --output-directory=$(abs_builddir)
+
 ###--------------------------------------------------------------------------
 ### The manual.
 
@@ -68,9 +70,9 @@ MAINTAINERCLEANFILES  += sod.pdf
 EXTRA_DIST             += sod.pdf
 doc_DATA               += sod.pdf
 sod.pdf: $(TEX_FILES)
-       cd $(srcdir) && pdflatex --output-directory=$(abs_builddir) sod.tex
-       cd $(srcdir) && pdflatex --output-directory=$(abs_builddir) sod.tex
+       cd $(srcdir) && pdflatex $(TEXFLAGS) sod.tex
+       cd $(srcdir) && pdflatex $(TEXFLAGS) sod.tex
        makeindex sod.idx
-       cd $(srcdir) && pdflatex --output-directory=$(abs_builddir) sod.tex
+       cd $(srcdir) && pdflatex $(TEXFLAGS) sod.tex
 
 ###----- That's all, folks --------------------------------------------------