[Mono-dev] Errors building libgdiplus against libpng 1.5.3 as opposed to 1.2 Should configure be updated?

[Justin Dearing]

Hello,

I've been attempting to build mono+moon from git using on both a CentOS 6.4
 (with rpmforge and a lot of RPMs built from fedora srpms)  and Fedora Core
19.

I discovered that if I compile libgdiplus agains libpng 1.5.3-devel  on
either system I get errors (see below). However if I use libpng-devel 1.2
(default on centos, and in the liibpng12-devel package on FC 19.

IWould you entertain a patch so that autogen/configure will detect the
libpng version and fail early with a more helpful error message?

Justin

Error message:

make[2]: Entering directory `/home/mono/src/libgdiplus/src'
/bin/sh ../libtool --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
-I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
-I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng15
   -I/usr/include/freetype2       -Wall -Wno-unused -Wno-format    -g -O2
-pthread -MT pngcodec.lo -MD -MP -MF .deps/pngcodec.Tpo -c -o pngcodec.lo
pngcodec.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -I/usr/include/cairo -I/usr/include/glib-2.0
-I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1
-I/usr/include/freetype2 -I/usr/include/libpng15 -I/usr/include/freetype2
-Wall -Wno-unused -Wno-format -g -O2 -pthread -MT pngcodec.lo -MD -MP -MF
.deps/pngcodec.Tpo -c pngcodec.c  -fPIC -DPIC -o .libs/pngcodec.o
pngcodec.c: In function 'gdip_load_png_properties':
pngcodec.c:119: error: dereferencing pointer to incomplete type
pngcodec.c:119: error: dereferencing pointer to incomplete type
pngcodec.c:121: error: dereferencing pointer to incomplete type
pngcodec.c:122: error: dereferencing pointer to incomplete type
pngcodec.c:137: warning: passing argument 5 of 'png_get_iCCP' from
incompatible pointer type
/usr/include/libpng15/png.h:2248: note: expected 'png_bytepp' but argument
is of type 'char **'
pngcodec.c: In function 'gdip_load_png_image_from_file_or_stream':
pngcodec.c:324: error: dereferencing pointer to incomplete type
pngcodec.c:325: error: dereferencing pointer to incomplete type
pngcodec.c:333: error: dereferencing pointer to incomplete type
pngcodec.c:333: error: dereferencing pointer to incomplete type
pngcodec.c:333: error: dereferencing pointer to incomplete type
pngcodec.c:342: error: dereferencing pointer to incomplete type
pngcodec.c:346: error: dereferencing pointer to incomplete type
pngcodec.c:346: error: dereferencing pointer to incomplete type
pngcodec.c:347: error: dereferencing pointer to incomplete type
pngcodec.c:347: error: dereferencing pointer to incomplete type
pngcodec.c:350: error: dereferencing pointer to incomplete type
pngcodec.c:351: error: dereferencing pointer to incomplete type
pngcodec.c:351: error: dereferencing pointer to incomplete type
pngcodec.c:351: error: dereferencing pointer to incomplete type
pngcodec.c:351: error: dereferencing pointer to incomplete type
pngcodec.c:494: error: dereferencing pointer to incomplete type
pngcodec.c:494: error: dereferencing pointer to incomplete type
pngcodec.c:494: error: dereferencing pointer to incomplete type
pngcodec.c:501: error: dereferencing pointer to incomplete type
pngcodec.c:501: error: dereferencing pointer to incomplete type
pngcodec.c:501: error: dereferencing pointer to incomplete type
pngcodec.c:508: error: dereferencing pointer to incomplete type
pngcodec.c:508: error: dereferencing pointer to incomplete type
pngcodec.c:508: error: dereferencing pointer to incomplete type
pngcodec.c:515: error: dereferencing pointer to incomplete type
pngcodec.c:515: error: dereferencing pointer to incomplete type
pngcodec.c:515: error: dereferencing pointer to incomplete type
make[2]: *** [pngcodec.lo] Error 1
make[2]: Leaving directory `/home/mono/src/libgdiplus/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/mono/src/libgdiplus'
make: *** [all] Error 2
[mono at localhost libgdiplus]$
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