* create dirs ${prefix}/share/doc/GiNaC/{tutorial,reference} only if

  non-empty.

diff --git a/doc/reference/Makefile.am b/doc/reference/Makefile.am
index cbcb2e4af585d1b99e17a223e98aa6e616b77924..ef45fc19bd80839a4af7794f582ade03d0587e99 100644 (file)
--- a/doc/reference/Makefile.am
+++ b/doc/reference/Makefile.am
@@ -45,8 +45,7 @@ latex/reference.ps: latex/reference.dvi
 reference.ps: latex latex/reference.ps
        cp ${srcdir}/latex/reference.ps reference.ps
 
 reference.ps: latex latex/reference.ps
        cp ${srcdir}/latex/reference.ps reference.ps
 

-ginacdocdir = $(datadir)/doc/GiNaC
-ginacreferencedir = $(ginacdocdir)/reference
+ginacreferencedir = `test -z "@REFERENCE_TARGETS@" || echo @datadir@/doc/GiNaC/reference`

 ginacreference_DATA = @REFERENCE_TARGETS@
 
 CLEANFILES = *.html *.gif doxygen.css *.ps latex/*
 ginacreference_DATA = @REFERENCE_TARGETS@
 
 CLEANFILES = *.html *.gif doxygen.css *.ps latex/*

diff --git a/doc/tutorial/Makefile.am b/doc/tutorial/Makefile.am
index af8ac282504dd2ca4f107e52b6eda7d45495161f..461de9a9505ee2a8e14c3e84ee1dcc77d9c26c81 100644 (file)
--- a/doc/tutorial/Makefile.am
+++ b/doc/tutorial/Makefile.am
@@ -31,8 +31,7 @@ ginac.dvi: $(EPS)
 ginac.html: ginac.texi version.texi $(PNG)
        $(MAKEINFO) --html $< -I ${srcdir}
 
 ginac.html: ginac.texi version.texi $(PNG)
        $(MAKEINFO) --html $< -I ${srcdir}
 

-ginacdocdir = $(datadir)/doc/GiNaC
-ginactutorialdir = $(ginacdocdir)/tutorial
+ginactutorialdir = `test -z "@TUTORIAL_TARGETS@" || echo @datadir@/doc/GiNaC/tutorial`

 ginactutorial_DATA = @TUTORIAL_TARGETS@
 
 CLEANFILES = $(EPS) $(PNG) ginac.html
 ginactutorial_DATA = @TUTORIAL_TARGETS@
 
 CLEANFILES = $(EPS) $(PNG) ginac.html