From: John Ellson <john.ellson@gmail.com>
Date: Sun, 31 May 2020 23:44:35 +0000 (-0400)
Subject: don't suppress make errors for documentation targets
X-Git-Tag: 2.44.1~39
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=67a4546f95ae463db7cc3e6270d7fb32a848de7c;p=graphviz

don't suppress make errors for documentation targets
---

diff --git a/cmd/dot/Makefile.am b/cmd/dot/Makefile.am
index d708fc67e..480c45730 100644
--- a/cmd/dot/Makefile.am
+++ b/cmd/dot/Makefile.am
@@ -67,13 +67,13 @@ uninstall-hook:
 	(cd $(DESTDIR)$(libdir); rm -f config;)
 
 dot.1.pdf: $(srcdir)/dot.1
-	- $(GROFF) -Tps -man $(srcdir)/dot.1 | $(PS2PDF) - - >dot.1.pdf
+	@GROFF@-Tps -man $(srcdir)/dot.1 | @PS2PDF@ - - >dot.1.pdf
 
 osage.1.pdf: $(srcdir)/osage.1
-	- $(GROFF) -Tps -man $(srcdir)/osage.1 | $(PS2PDF) - - >osage.1.pdf
+	@GROFF@-Tps -man $(srcdir)/osage.1 | @PS2PDF@ - - >osage.1.pdf
 
 patchwork.1.pdf: $(srcdir)/patchwork.1
-	- $(GROFF) -Tps -man $(srcdir)/patchwork.1 | $(PS2PDF) - - >patchwork.1.pdf
+	@GROFF@-Tps -man $(srcdir)/patchwork.1 | @PS2PDF@ - - >patchwork.1.pdf
 
 dot_static_SOURCES = dot.c dot_builtins.c
 dot_static_CPPFLAGS = $(AM_CPPFLAGS) -DDEMAND_LOADING=0
diff --git a/cmd/dotty/Makefile.am b/cmd/dotty/Makefile.am
index ae2d7e1ce..1daf49d0c 100644
--- a/cmd/dotty/Makefile.am
+++ b/cmd/dotty/Makefile.am
@@ -27,7 +27,7 @@ dotty: $(top_srcdir)/cmd/dotty/dotty.sh
 endif
 
 dotty.1.pdf: $(srcdir)/dotty.1
-	- @GROFF@ -Tps -man $(srcdir)/dotty.1 | @PS2PDF@ - - >dotty.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/dotty.1 | @PS2PDF@ - - >dotty.1.pdf
 
 EXTRA_DIST = $(lefty_DATA) $(man_MANS) $(pdf_DATA) \
 	dotty.bsh dotty.ksh dotty.sh \
diff --git a/cmd/edgepaint/Makefile.am b/cmd/edgepaint/Makefile.am
index 5ed8a9cd6..796f7c45b 100644
--- a/cmd/edgepaint/Makefile.am
+++ b/cmd/edgepaint/Makefile.am
@@ -34,7 +34,7 @@ edgepaint_LDADD = \
 	$(ANN_LIBS) -lstdc++ -lm
 
 edgepaint.1.pdf: $(srcdir)/edgepaint.1
-	- @GROFF@ -e -Tps -man -t $(srcdir)/edgepaint.1 | @PS2PDF@ - - >edgepaint.1.pdf
+	@GROFF@ -e -Tps -man -t $(srcdir)/edgepaint.1 | @PS2PDF@ - - >edgepaint.1.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) edgepaint.vcxproj*
 
diff --git a/cmd/gvedit/Makefile.am b/cmd/gvedit/Makefile.am
index 63b76f3eb..b76f34d38 100644
--- a/cmd/gvedit/Makefile.am
+++ b/cmd/gvedit/Makefile.am
@@ -60,7 +60,7 @@ attrs.txt: $(top_srcdir)/doc/infosrc/attrs
 	cp $(top_srcdir)/doc/infosrc/attrs attrs.txt
 
 gvedit.1.pdf: $(srcdir)/gvedit.1
-	- $(GROFF) -Tps -man $(srcdir)/gvedit.1 | @PS2PDF@ - - >gvedit.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/gvedit.1 | @PS2PDF@ - - >gvedit.1.pdf
 
 EXTRA_DIST = gvedit.vcxproj* gvedit.pro.in mdi.qrc $(mans) $(pdfs)
 
diff --git a/cmd/gvmap/Makefile.am b/cmd/gvmap/Makefile.am
index 3b1919f42..be969755a 100644
--- a/cmd/gvmap/Makefile.am
+++ b/cmd/gvmap/Makefile.am
@@ -59,13 +59,13 @@ cluster_LDADD = \
 gvmap.sh :
 
 gvmap.1.pdf: $(srcdir)/gvmap.1
-	- @GROFF@ -Tps -man $(srcdir)/gvmap.1 | @PS2PDF@ - - >gvmap.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/gvmap.1 | @PS2PDF@ - - >gvmap.1.pdf
 
 cluster.1.pdf: $(srcdir)/cluster.1
-	- @GROFF@ -Tps -man $(srcdir)/cluster.1 | @PS2PDF@ - - >cluster.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/cluster.1 | @PS2PDF@ - - >cluster.1.pdf
 
 gvmap.sh.1.pdf: $(srcdir)/gvmap.sh.1
-	- @GROFF@ -Tps -man $(srcdir)/gvmap.sh.1 | @PS2PDF@ - - >gvmap.sh.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/gvmap.sh.1 | @PS2PDF@ - - >gvmap.sh.1.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) gvmap.vcxproj*
 
diff --git a/cmd/gvpr/Makefile.am b/cmd/gvpr/Makefile.am
index 9e8aeafc3..556cd09ed 100644
--- a/cmd/gvpr/Makefile.am
+++ b/cmd/gvpr/Makefile.am
@@ -31,7 +31,7 @@ gvpr_CPPFLAGS = $(AM_CPPFLAGS)
 gvpr_LDADD = $(top_builddir)/lib/gvpr/libgvpr.la
 
 gvpr.1.pdf: $(srcdir)/gvpr.1
-	- @GROFF@ -Tps -man -t $(srcdir)/gvpr.1 | @PS2PDF@ - - >gvpr.1.pdf
+	@GROFF@ -Tps -man -t $(srcdir)/gvpr.1 | @PS2PDF@ - - >gvpr.1.pdf
 
 gvpr_static_SOURCES = gvprmain.c
 gvpr_static_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/cmd/lefty/Makefile.am b/cmd/lefty/Makefile.am
index a4843022a..d53ae6746 100644
--- a/cmd/lefty/Makefile.am
+++ b/cmd/lefty/Makefile.am
@@ -89,7 +89,7 @@ lefty_LDADD = $(top_builddir)/cmd/lefty/dot2l/libdot2l.la \
 endif
 
 lefty.1.pdf: $(srcdir)/lefty.1
-	- @GROFF@ -Tps -man $(srcdir)/lefty.1 | @PS2PDF@ - - >lefty.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/lefty.1 | @PS2PDF@ - - >lefty.1.pdf
 
 EXTRA_DIST = $(lefty_DATA) $(man_MANS) $(pdf_DATA) lefty.vcxproj* colors.txt aix_mods cs2l/*
 
diff --git a/cmd/lneato/Makefile.am b/cmd/lneato/Makefile.am
index 0d8d10d5d..937f6c281 100644
--- a/cmd/lneato/Makefile.am
+++ b/cmd/lneato/Makefile.am
@@ -25,7 +25,7 @@ lneato: ${top_srcdir}/cmd/lneato/lneato.sh
 endif
 
 lneato.1.pdf: $(srcdir)/lneato.1
-	- @GROFF@ -Tps -man $(srcdir)/lneato.1 | @PS2PDF@ - - >lneato.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/lneato.1 | @PS2PDF@ - - >lneato.1.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) lneato.bsh lneato.ksh lneato.sh \
 	mswin32 lneato.vcxproj*
diff --git a/cmd/mingle/Makefile.am b/cmd/mingle/Makefile.am
index d61f39995..5cf8fea3c 100644
--- a/cmd/mingle/Makefile.am
+++ b/cmd/mingle/Makefile.am
@@ -35,7 +35,7 @@ mingle_LDADD = \
 	$(ANN_LIBS) -lstdc++ -lm 
 
 mingle.1.pdf: $(srcdir)/mingle.1
-	- @GROFF@ -e -Tps -man -t $(srcdir)/mingle.1 | @PS2PDF@ - - >mingle.1.pdf
+	@GROFF@ -e -Tps -man -t $(srcdir)/mingle.1 | @PS2PDF@ - - >mingle.1.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) mingle.vcxproj*
 
diff --git a/cmd/smyrna/Makefile.am b/cmd/smyrna/Makefile.am
index 676dd5788..3408e4265 100644
--- a/cmd/smyrna/Makefile.am
+++ b/cmd/smyrna/Makefile.am
@@ -81,7 +81,7 @@ smyrna_static_LDADD = $(top_builddir)/lib/cgraph/libcgraph_C.la \
 		$(GTK_LIBS) $(GLUT_LIBS) $(GTKGLEXT_LIBS) $(GLADE_LIBS) $(X_LIBS) $(EXPAT_LIBS) $(GTS_LIBS) $(MATH_LIBS)
 
 smyrna.1.pdf: $(srcdir)/smyrna.1
-	- @GROFF@ -Tps -man $(srcdir)/smyrna.1 | @PS2PDF@ - - >smyrna.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/smyrna.1 | @PS2PDF@ - - >smyrna.1.pdf
 
 EXTRA_DIST = smyrna.vcxproj* $(man_MANS) $(pdf_DATA) smyrna.1
 
diff --git a/cmd/tools/Makefile.am b/cmd/tools/Makefile.am
index 9c0e9ffa8..c41b6b617 100644
--- a/cmd/tools/Makefile.am
+++ b/cmd/tools/Makefile.am
@@ -63,7 +63,7 @@ gxl2gv_LDADD = \
 	$(top_builddir)/lib/cdt/libcdt.la @EXPAT_LIBS@ 
 
 gxl2gv.1.pdf: $(srcdir)/gxl2gv.1
-	- @GROFF@ -Tps -man $(srcdir)/gxl2gv.1 | @PS2PDF@ - - >gxl2gv.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/gxl2gv.1 | @PS2PDF@ - - >gxl2gv.1.pdf
 
 sccmap_SOURCES = sccmap.c
 
diff --git a/contrib/diffimg/Makefile.am b/contrib/diffimg/Makefile.am
index 02b1c044e..502e0199b 100644
--- a/contrib/diffimg/Makefile.am
+++ b/contrib/diffimg/Makefile.am
@@ -19,7 +19,7 @@ diffimg_SOURCES = diffimg.c
 diffimg_LDADD = @GDLIB_LIBS@ @MATH_LIBS@
 
 diffimg.1.pdf: $(srcdir)/diffimg.1
-	- $(GROFF) -Tps -man $(srcdir)/diffimg.1 | $(PS2PDF) - - >diffimg.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/diffimg.1 | @PS2PDF@ - - >diffimg.1.pdf
 
 GRAPH = "digraph G { hello -> world }"
 
diff --git a/contrib/prune/Makefile.am b/contrib/prune/Makefile.am
index 5154b9962..db29239e3 100644
--- a/contrib/prune/Makefile.am
+++ b/contrib/prune/Makefile.am
@@ -21,7 +21,7 @@ prune_LDADD = $(top_builddir)/lib/ingraphs/libingraphs_C.la \
 	$(top_builddir)/lib/cdt/libcdt.la
 
 .1.pdf:
-	- @GROFF@ -Tps -man $< | @PS2PDF@ - - >$@
+	@GROFF@ -Tps -man $< | @PS2PDF@ - - >$@
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) README test.gv prune.vcxproj*
 
diff --git a/lib/agraph/Makefile.am b/lib/agraph/Makefile.am
index c7d1406e7..da7d2707b 100644
--- a/lib/agraph/Makefile.am
+++ b/lib/agraph/Makefile.am
@@ -46,7 +46,7 @@ y.output: $(top_srcdir)/lib/agraph/grammar.y
 	@YACC@ -dv $(top_srcdir)/lib/agraph/grammar.y
 
 agraph.3.pdf: $(srcdir)/agraph.3
-	- @GROFF@ -Tps -man $(srcdir)/agraph.3 | @PS2PDF@ - - >agraph.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/agraph.3 | @PS2PDF@ - - >agraph.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) cmpnd.c dotdge.c \
 	main.c tester.c README grammar.c grammar.h scan.c \
diff --git a/lib/cdt/Makefile.am b/lib/cdt/Makefile.am
index d75ba3142..9592cc271 100644
--- a/lib/cdt/Makefile.am
+++ b/lib/cdt/Makefile.am
@@ -25,7 +25,7 @@ libcdt_la_LDFLAGS = -version-info $(CDT_VERSION) -no-undefined
 libcdt_la_SOURCES = $(libcdt_C_la_SOURCES)
 
 cdt.3.pdf: $(srcdir)/cdt.3
-	- @GROFF@ -Tps -man $(srcdir)/cdt.3 | @PS2PDF@ - - >cdt.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/cdt.3 | @PS2PDF@ - - >cdt.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) cdt.vcxproj*
 
diff --git a/lib/cgraph/Makefile.am b/lib/cgraph/Makefile.am
index 419940a7c..510b2b3d0 100644
--- a/lib/cgraph/Makefile.am
+++ b/lib/cgraph/Makefile.am
@@ -50,7 +50,7 @@ y.output: $(top_srcdir)/lib/cgraph/grammar.y
 	@YACC@ -dv $(top_srcdir)/lib/cgraph/grammar.y
 
 cgraph.3.pdf: $(srcdir)/cgraph.3
-	- @GROFF@ -Tps -man $(srcdir)/cgraph.3 | @PS2PDF@ - - >cgraph.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/cgraph.3 | @PS2PDF@ - - >cgraph.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) cmpnd.c \
 	main.c tester.c grammar.c grammar.h scan.c \
diff --git a/lib/edgepaint/Makefile.am b/lib/edgepaint/Makefile.am
index 8c5500e13..ca35f2499 100644
--- a/lib/edgepaint/Makefile.am
+++ b/lib/edgepaint/Makefile.am
@@ -30,7 +30,7 @@ liblab_gamut_la_LDFLAGS = -version-info $(LAB_GAMUT_VERSION)
 liblab_gamut_la_SOURCES = lab_gamut.c
 
 lab_gamut.3.pdf: $(srcdir)/lab_gamut.3
-	- @GROFF@ -Tps -man $(srcdir)/lab_gamut.3 | @PS2PDF@ - - >lab_gamut.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/lab_gamut.3 | @PS2PDF@ - - >lab_gamut.3.pdf
 
 EXTRA_DIST =  $(man_MANS) $(pdf_DATA) edgepaintlib.vcxproj* lab_gamut.vcxproj* lab_gamut.def
  
diff --git a/lib/expr/Makefile.am b/lib/expr/Makefile.am
index 6ac10c53d..4889099bb 100644
--- a/lib/expr/Makefile.am
+++ b/lib/expr/Makefile.am
@@ -74,7 +74,7 @@ y.output: $(top_srcdir)/lib/expr/exparse.y
 	@YACC@ -dtv $(top_srcdir)/lib/expr/exparse.y
 
 expr.3.pdf: $(srcdir)/expr.3
-	- @GROFF@ -Tps -man $(srcdir)/expr.3 | @PS2PDF@ - - >expr.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/expr.3 | @PS2PDF@ - - >expr.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) \
 	Makefile.nmake Makefile.orig \
diff --git a/lib/graph/Makefile.am b/lib/graph/Makefile.am
index 5de4074d5..63409b809 100644
--- a/lib/graph/Makefile.am
+++ b/lib/graph/Makefile.am
@@ -44,7 +44,7 @@ y.output: $(top_srcdir)/lib/graph/parser.y
 #       triegen  < trie_input > trie.c
 
 graph.3.pdf: $(srcdir)/graph.3
-	- @GROFF@ -Tps -man $(srcdir)/graph.3 | @PS2PDF@ - - > graph.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/graph.3 | @PS2PDF@ - - > graph.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) triefa.cP \
 	parser.c parser.h \
diff --git a/lib/gvc/Makefile.am b/lib/gvc/Makefile.am
index 0e05f5ad1..7dca409b4 100644
--- a/lib/gvc/Makefile.am
+++ b/lib/gvc/Makefile.am
@@ -70,7 +70,7 @@ libgvc_la_LDFLAGS += -export-symbols $(top_srcdir)/lib/gvc.def
 endif
 
 gvc.3.pdf: $(srcdir)/gvc.3
-	- @GROFF@ -Tps -man $(srcdir)/gvc.3 | @PS2PDF@ - - > gvc.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/gvc.3 | @PS2PDF@ - - > gvc.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA)
 
diff --git a/lib/gvpr/Makefile.am b/lib/gvpr/Makefile.am
index d47752216..3762d5947 100644
--- a/lib/gvpr/Makefile.am
+++ b/lib/gvpr/Makefile.am
@@ -36,7 +36,7 @@ libgvpr_C_la_DEPENDENCIES = \
 	$(top_builddir)/lib/ingraphs/libingraphs_C.la
 
 gvpr.3.pdf: $(srcdir)/gvpr.3
-	- @GROFF@ -Tps -man $(srcdir)/gvpr.3 | @PS2PDF@ - - >gvpr.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/gvpr.3 | @PS2PDF@ - - >gvpr.3.pdf
 
 
 libgvpr_la_LDFLAGS = -version-info $(GVPR_VERSION) -no-undefined
diff --git a/lib/inkpot/Makefile.am b/lib/inkpot/Makefile.am
index 2bea58308..d20d063cd 100644
--- a/lib/inkpot/Makefile.am
+++ b/lib/inkpot/Makefile.am
@@ -68,10 +68,10 @@ $(top_builddir)/lib/inkpot/inkpot_lib_brewer.dat: inkpot_lib_brewer.tcl data/bre
 	$(TCLSH) inkpot_lib_brewer.tcl data/brewer_colors
 
 inkpot.1.pdf: inkpot.1
-	- $(GROFF) -Tps -man inkpot.1 | $(PS2PDF) - - > inkpot.1.pdf
+	@GROFF@ -Tps -man inkpot.1 | @PS2PDF@ - - > inkpot.1.pdf
 
 inkpot.3.pdf: inkpot.3
-	- $(GROFF) -Tps -man inkpot.3 | $(PS2PDF) - - > inkpot.3.pdf
+	@GROFF@ -Tps -man inkpot.3 | @PS2PDF@ - - > inkpot.3.pdf
 
 CLEANFILES = inkpot_lib_*.dat
 
diff --git a/lib/pack/Makefile.am b/lib/pack/Makefile.am
index eae91861d..a4219c0f9 100644
--- a/lib/pack/Makefile.am
+++ b/lib/pack/Makefile.am
@@ -25,7 +25,7 @@ pdf_DATA = pack.3.pdf
 libpack_C_la_SOURCES = ccomps.c pack.c
 
 pack.3.pdf: $(srcdir)/pack.3
-	- @GROFF@ -Tps -man $(srcdir)/pack.3 | @PS2PDF@ - - >pack.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/pack.3 | @PS2PDF@ - - >pack.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) ptest.c
 
diff --git a/lib/pathplan/Makefile.am b/lib/pathplan/Makefile.am
index 122be0463..1a5829f3a 100644
--- a/lib/pathplan/Makefile.am
+++ b/lib/pathplan/Makefile.am
@@ -27,7 +27,7 @@ libpathplan_la_SOURCES = $(libpathplan_C_la_SOURCES)
 libpathplan_la_LIBADD = @MATH_LIBS@
 
 pathplan.3.pdf: $(srcdir)/pathplan.3
-	- @GROFF@ -Tps -man $(srcdir)/pathplan.3 | @PS2PDF@ - - >pathplan.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/pathplan.3 | @PS2PDF@ - - >pathplan.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) path.lefty Pathplan.vcxproj* pathplan.def
 
diff --git a/lib/xdot/Makefile.am b/lib/xdot/Makefile.am
index fe284f3f2..cadcbb800 100644
--- a/lib/xdot/Makefile.am
+++ b/lib/xdot/Makefile.am
@@ -20,7 +20,7 @@ libxdot_la_LDFLAGS = -version-info $(XDOT_VERSION) -no-undefined
 libxdot_la_SOURCES = $(libxdot_C_la_SOURCES)
 
 xdot.3.pdf: $(srcdir)/xdot.3
-	- @GROFF@ -Tps -man $(srcdir)/xdot.3 | @PS2PDF@ - - >xdot.3.pdf
+	@GROFF@ -Tps -man $(srcdir)/xdot.3 | @PS2PDF@ - - >xdot.3.pdf
 
 EXTRA_DIST = $(man_MANS) $(pdf_DATA) xdot.vcxproj*
 
diff --git a/plugin/xlib/Makefile.am b/plugin/xlib/Makefile.am
index 769c91dd2..01d8747e8 100644
--- a/plugin/xlib/Makefile.am
+++ b/plugin/xlib/Makefile.am
@@ -28,7 +28,7 @@ man_MANS = vimdot.1
 pdf_DATA = vimdot.1.pdf
 
 vimdot.1.pdf: $(srcdir)/vimdot.1
-	- $(GROFF) -Tps -man $(srcdir)/vimdot.1 | $(PS2PDF) - - >vimdot.1.pdf
+	@GROFF@ -Tps -man $(srcdir)/vimdot.1 | @PS2PDF@ - - >vimdot.1.pdf
 
 libgvplugin_xlib_C_la_SOURCES = \
 	gvplugin_xlib.c \
diff --git a/tclpkg/gdtclft/Makefile.am b/tclpkg/gdtclft/Makefile.am
index bc1492a7e..12df9deda 100644
--- a/tclpkg/gdtclft/Makefile.am
+++ b/tclpkg/gdtclft/Makefile.am
@@ -48,7 +48,7 @@ endif
 endif
 
 gdtclft.3tcl.pdf: $(srcdir)/gdtclft.3tcl
-	- @GROFF@ -Tps -man $(srcdir)/gdtclft.3tcl | @PS2PDF@ - - >gdtclft.3tcl.pdf
+	@GROFF@ -Tps -man $(srcdir)/gdtclft.3tcl | @PS2PDF@ - - >gdtclft.3tcl.pdf
 
 EXTRA_DIST = $(man) $(pdf)
 
diff --git a/tclpkg/gv/Makefile.am b/tclpkg/gv/Makefile.am
index 6114d851b..ee2f82acc 100644
--- a/tclpkg/gv/Makefile.am
+++ b/tclpkg/gv/Makefile.am
@@ -422,43 +422,43 @@ $(man): gv.i gv_doc_writer.tcl gv_doc_template.tcl gv_doc_langs.tcl
 	$(TCLSH) $(srcdir)/gv_doc_writer.tcl "$(srcdir)"
 
 gv.3sharp.pdf: gv.3sharp
-	- $(GROFF) -Tps -man gv.3sharp | $(PS2PDF) - - >gv.3sharp.pdf
+	@GROFF@ -Tps -man gv.3sharp | @PS2PDF@ - - >gv.3sharp.pdf
 
 gv.3go.pdf: gv.3go
-	- $(GROFF) -Tps -man gv.3go | $(PS2PDF) - - >gv.3go.pdf
+	@GROFF@ -Tps -man gv.3go | @PS2PDF@ - - >gv.3go.pdf
 
 gv.3guile.pdf: gv.3guile
-	- $(GROFF) -Tps -man gv.3guile | $(PS2PDF) - - >gv.3guile.pdf
+	@GROFF@ -Tps -man gv.3guile | @PS2PDF@ - - >gv.3guile.pdf
 
 gv.3io.pdf: gv.3io
-	- $(GROFF) -Tps -man gv.3io | $(PS2PDF) - - >gv.3io.pdf
+	@GROFF@ -Tps -man gv.3io | @PS2PDF@ - - >gv.3io.pdf
 
 gv.3java.pdf: gv.3java
-	- $(GROFF) -Tps -man gv.3java | $(PS2PDF) - - >gv.3java.pdf
+	@GROFF@ -Tps -man gv.3java | @PS2PDF@ - - >gv.3java.pdf
 
 gv.3lua.pdf: gv.3lua
-	- $(GROFF) -Tps -man gv.3lua | $(PS2PDF) - - >gv.3lua.pdf
+	@GROFF@ -Tps -man gv.3lua | @PS2PDF@ - - >gv.3lua.pdf
 
 gv.3ocaml.pdf: gv.3ocaml
-	- $(GROFF) -Tps -man gv.3ocaml | $(PS2PDF) - - >gv.3ocaml.pdf
+	@GROFF@ -Tps -man gv.3ocaml | @PS2PDF@ - - >gv.3ocaml.pdf
 
 gv.3perl.pdf: gv.3perl
-	- $(GROFF) -Tps -man gv.3perl | $(PS2PDF) - - >gv.3perl.pdf
+	@GROFF@ -Tps -man gv.3perl | @PS2PDF@ - - >gv.3perl.pdf
 
 gv.3php.pdf: gv.3php
-	- $(GROFF) -Tps -man gv.3php | $(PS2PDF) - - >gv.3php.pdf
+	@GROFF@ -Tps -man gv.3php | @PS2PDF@ - - >gv.3php.pdf
 
 gv.3python.pdf: gv.3python
-	- $(GROFF) -Tps -man gv.3python | $(PS2PDF) - - >gv.3python.pdf
+	@GROFF@ -Tps -man gv.3python | @PS2PDF@ - - >gv.3python.pdf
 
 gv.3r.pdf: gv.3r
-	- $(GROFF) -Tps -man gv.3r | $(PS2PDF) - - >gv.3r.pdf
+	@GROFF@ -Tps -man gv.3r | @PS2PDF@ - - >gv.3r.pdf
 
 gv.3ruby.pdf: gv.3ruby
-	- $(GROFF) -Tps -man gv.3ruby | $(PS2PDF) - - >gv.3ruby.pdf
+	@GROFF@ -Tps -man gv.3ruby | @PS2PDF@ - - >gv.3ruby.pdf
 
 gv.3tcl.pdf: gv.3tcl
-	- $(GROFF) -Tps -man gv.3tcl | $(PS2PDF) - - >gv.3tcl.pdf
+	@GROFF@ -Tps -man gv.3tcl | @PS2PDF@ - - >gv.3tcl.pdf
 
 install-data-hook:
 if WITH_JAVA
diff --git a/tclpkg/tcldot/Makefile.am b/tclpkg/tcldot/Makefile.am
index 07030cefc..eb625921e 100644
--- a/tclpkg/tcldot/Makefile.am
+++ b/tclpkg/tcldot/Makefile.am
@@ -109,7 +109,7 @@ pkgIndex.tcl: libtcldot.la
 endif
 
 tcldot.3tcl.pdf: $(srcdir)/tcldot.3tcl
-	- $(GROFF) -Tps -man $(srcdir)/tcldot.3tcl | $(PS2PDF) - - >tcldot.3tcl.pdf
+	@GROFF@ -Tps -man $(srcdir)/tcldot.3tcl | @PS2PDF@ - - >tcldot.3tcl.pdf
 
 EXTRA_DIST = $(man) $(pdf) $(html) README README.Tkspline