[gimp] tools: invert-svg is to be built natively for the build OS.

[Jehan Pagès <jehanp src gnome org>]

commit 9a2da538022896565f3a27a66eec1416811b6bb3
Author: Jehan <jehan girinstud io>
Date:   Thu Mar 23 20:26:32 2017 +0100

    tools: invert-svg is to be built natively for the build OS.
    
    Partially reverts commit 84439a874860c517838c4d5969b353ced1c31b1a.
    The fact that tools/invert-svg was kind of manually compiled was on
    purpose. Using the automake syntax with any of the *_PROGRAMS compiles
    for the host OS, but this tool is only for compile-time.
    This fixes cross-compilation.
    
    As for compute_svg_viewbox, let's not build it for now because its
    purpose was to help proper extraction of SVG icons from a single SVG
    file. Unfortunately librsvg was not providing acceptable results anyway
    so right now all SVG icons are manually exported. We keep the code for
    future use when the library will improve.

 tools/Makefile.am |   25 +++++++++++++------------
 1 files changed, 13 insertions(+), 12 deletions(-)
---
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 78dadb5..699a546 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -22,10 +22,7 @@ bin_PROGRAMS = gimptool-2.0
 
 endif
 
-noinst_PROGRAMS = \
-       test-clipboard  \
-       invert-svg      \
-       compute-svg-viewbox
+noinst_PROGRAMS = test-clipboard
 
 EXTRA_PROGRAMS = \
        kernelgen
@@ -46,18 +43,19 @@ test_clipboard_SOURCES = test-clipboard.c
 test_clipboard_LDADD = $(GTK_LIBS)
 
 
-invert_svg_SOURCES = invert-svg.c
+invert-svg$(BUILD_EXEEXT): invert-svg.c
+       $(CC_FOR_BUILD) -o $@ $< $(NATIVE_GLIB_LIBS) $(NATIVE_GLIB_CFLAGS)
 
-invert_svg_CFLAGS = $(SVG_CFLAGS) $(GLIB_CFLAGS) $(GIO_CFLAGS)
 
-invert_svg_LDADD = $(SVG_LIBS) $(GLIB_LIBS) $(GIO_LIBS)
+# compute_svg_viewbox is not built or used because librsvg is just too buggy
+# right now. But we keep the code around. The goal of this build tool will be
+# to be able to extract SVG icons from a single SVG file at build time, rather
+# than having to export and commit them manually.
+#compute_svg_viewbox_SOURCES = compute-svg-viewbox.c
 
+#compute_svg_viewbox_CFLAGS = $(SVG_CFLAGS)
 
-compute_svg_viewbox_SOURCES = compute-svg-viewbox.c
-
-compute_svg_viewbox_CFLAGS = $(SVG_CFLAGS)
-
-compute_svg_viewbox_LDADD = $(SVG_LIBS)
+#compute_svg_viewbox_LDADD = $(SVG_LIBS)
 
 
 AM_CPPFLAGS = \
@@ -89,3 +87,6 @@ EXTRA_DIST = \
        defcheck.py     \
        gimp-mkenums    \
        gimppath2svg.py
+
+# Build tools which must be built for the host platform.
+all: invert-svg$(BUILD_EXEEXT)