From 47ecd21b9acb108eb4e024c51cdefadac2d74a64 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Pokorn=C3=BD?= <jpokorny@redhat.com>
Date: Tue, 26 Nov 2019 20:07:36 +0100
Subject: [PATCH] Build: fix unability to build with Inkscape 1.0 beta
 version(s)

...and possibly beyond.

References:
https://gitlab.com/inkscape/inbox/issues/1244
---
 doc/Makefile.am | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 257f5cdf5..d8c846830 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -84,14 +84,19 @@ PNGS = $(PNGS_ORIGINAL) $(PNGS_GENERATED)
 
 graphics: $(PNGS)
 
+
+# two-phased attempts for Inkscape pre-1.0 and 1.0+ (upcoming) discrepancy
 %.png: %.svg
-	$(AM_V_GEN)$(INKSCAPE) --file=$< --export-dpi=90 -C --export-png=$@ $(PCMK_quiet)
+	$(AM_V_GEN) { $(INKSCAPE) --export-dpi=90 -C --export-png=$@ $< \
+	  || $(INKSCAPE) --export-dpi=90 -C --export-file=$@ $<; } $(PCMK_quiet)
 
 %-small.png: %.svg
-	$(AM_V_GEN)$(INKSCAPE) --file=$< --export-dpi=45 -C --export-png=$@ $(PCMK_quiet)
+	$(AM_V_GEN) { $(INKSCAPE) --export-dpi=45 -C --export-png=$@ $< \
+	  || $(INKSCAPE) --export-dpi=45 -C --export-file=$@ $<; } $(PCMK_quiet)
 
 %-large.png: %.svg
-	$(AM_V_GEN)$(INKSCAPE) --file=$< --export-dpi=180 -C --export-png=$@ $(PCMK_quiet)
+	$(AM_V_GEN) { $(INKSCAPE) --export-dpi=180 -C --export-png=$@ $< \
+	  || $(INKSCAPE) --export-dpi=180 -C --export-file=$@ $<; } $(PCMK_quiet)
 
 if IS_ASCIIDOC
 ASCIIDOC_HTML_ARGS	= --unsafe --backend=xhtml11
-- 
2.24.0