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-rw-r--r--libraries/fltk/fltk-1.1.10_libpng.patch61
-rw-r--r--libraries/fltk/fltk.SlackBuild3
2 files changed, 64 insertions, 0 deletions
diff --git a/libraries/fltk/fltk-1.1.10_libpng.patch b/libraries/fltk/fltk-1.1.10_libpng.patch
new file mode 100644
index 000000000000..1b6d91ed7e5e
--- /dev/null
+++ b/libraries/fltk/fltk-1.1.10_libpng.patch
@@ -0,0 +1,61 @@
+--- fltk1.1-1.1.10.orig/src/Fl_PNG_Image.cxx
++++ fltk1.1-1.1.10/src/Fl_PNG_Image.cxx
+@@ -66,6 +66,8 @@ Fl_PNG_Image::Fl_PNG_Image(const char *p
+ png_structp pp; // PNG read pointer
+ png_infop info; // PNG info pointers
+ png_bytep *rows; // PNG row pointers
++ png_uint_32 width, height;
++ int bit_depth, color_type, num_trans = 0;
+
+
+ // Open the PNG file...
+@@ -75,7 +77,7 @@ Fl_PNG_Image::Fl_PNG_Image(const char *p
+ pp = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+ info = png_create_info_struct(pp);
+
+- if (setjmp(pp->jmpbuf))
++ if (setjmp(png_jmpbuf(pp)))
+ {
+ Fl::warning("PNG file \"%s\" contains errors!\n", png);
+ return;
+@@ -87,27 +89,33 @@ Fl_PNG_Image::Fl_PNG_Image(const char *p
+ // Get the image dimensions and convert to grayscale or RGB...
+ png_read_info(pp, info);
+
+- if (info->color_type == PNG_COLOR_TYPE_PALETTE)
++ png_get_IHDR(pp, info, &width, &height, &bit_depth, &color_type,
++ NULL /* interlace */, NULL /* compress */, NULL /* filter */);
++#ifdef PNG_tRNS_SUPPORTED
++ png_get_tRNS(pp, info, NULL /* trans */, &num_trans, NULL /* values */);
++#endif
++
++ if (color_type == PNG_COLOR_TYPE_PALETTE)
+ png_set_expand(pp);
+
+- if (info->color_type & PNG_COLOR_MASK_COLOR)
++ if (color_type & PNG_COLOR_MASK_COLOR)
+ channels = 3;
+ else
+ channels = 1;
+
+- if ((info->color_type & PNG_COLOR_MASK_ALPHA) || info->num_trans)
++ if ((color_type & PNG_COLOR_MASK_ALPHA) || num_trans)
+ channels ++;
+
+- w((int)(info->width));
+- h((int)(info->height));
++ w((int)(width));
++ h((int)(height));
+ d(channels);
+
+- if (info->bit_depth < 8)
++ if (bit_depth < 8)
+ {
+ png_set_packing(pp);
+ png_set_expand(pp);
+ }
+- else if (info->bit_depth == 16)
++ else if (bit_depth == 16)
+ png_set_strip_16(pp);
+
+ # if defined(HAVE_PNG_GET_VALID) && defined(HAVE_PNG_SET_TRNS_TO_ALPHA)
diff --git a/libraries/fltk/fltk.SlackBuild b/libraries/fltk/fltk.SlackBuild
index ba899ee152b6..3216b7a0bbe2 100644
--- a/libraries/fltk/fltk.SlackBuild
+++ b/libraries/fltk/fltk.SlackBuild
@@ -80,6 +80,9 @@ sed -i \
-e '/RANLIB/s:$(libdir)/\(.*LIBNAME)\):$(libdir)/`basename \1`:g' \
src/Makefile || exit
+# Fix for libpng16 (-current) snarfed from Debian ;-)
+patch -p1 < $CWD/fltk-1.1.10_libpng.patch
+
# --docdir seems to be ignored
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \