[gabo@machina gimp-save-for-web-0.29.0]$ ./configure && make
checking for a BSD-compatible install... /bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking dependency style of gcc... gcc3
checking for library containing strerror... none required
checking for gcc... (cached) gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for gcc option to accept ISO C89... (cached) none needed
checking dependency style of gcc... (cached) gcc3
checking for gcc... (cached) gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for gcc option to accept ISO C89... (cached) none needed
checking dependency style of gcc... (cached) gcc3
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for target architecture...
checking for some Win32 platform... no
checking for native Win32... no
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for GIMP... yes
checking whether NLS is requested... yes
checking for intltool-update... /usr/bin/intltool-update
checking for intltool-merge... /usr/bin/intltool-merge
checking for intltool-extract... /usr/bin/intltool-extract
checking for xgettext... /usr/bin/xgettext
checking for msgmerge... /usr/bin/msgmerge
checking for msgfmt... /usr/bin/msgfmt
checking for gmsgfmt... /usr/bin/msgfmt
checking for perl... /usr/bin/perl
checking for perl >= 5.8.1... 5.14.2
checking for XML::Parser... ok
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking locale.h usability... yes
checking locale.h presence... yes
checking for locale.h... yes
checking for LC_MESSAGES... yes
checking libintl.h usability... yes
checking libintl.h presence... yes
checking for libintl.h... yes
checking for ngettext in libc... yes
checking for dgettext in libc... yes
checking for bind_textdomain_codeset... yes
checking for msgfmt... (cached) /usr/bin/msgfmt
checking for dcgettext... yes
checking if msgfmt accepts -c... yes
checking for gmsgfmt... (cached) /usr/bin/msgfmt
checking for xgettext... (cached) /usr/bin/xgettext
checking for catalogs to be installed...  ca es fr it ko ru sk sv
checking for bind_textdomain_codeset... (cached) yes
checking if GTK+ is version 2.7.0 or newer... yes
checking if GIMP is version 2.3.0 or newer... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating src/Makefile
config.status: creating src/cursors/Makefile
config.status: creating po/Makefile.in
config.status: creating help/Makefile
config.status: creating help/en/Makefile
config.status: creating help/images/Makefile
config.status: creating config.h
config.status: config.h is unchanged
config.status: executing depfiles commands
config.status: executing default-1 commands
config.status: executing po/stamp-it commands
make  all-recursive
make[1]: Entering directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0'
Making all in po
make[2]: Entering directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/po'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/po'
Making all in src
make[2]: Entering directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/src'
Making all in cursors
make[3]: Entering directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/src/cursors'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/src/cursors'
make[3]: Entering directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/src'
gcc -DHAVE_CONFIG_H -I. -I.. -I.. -pthread -I/usr/include/gimp-2.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/cairo -I/usr/include/libpng14 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/pango-1.0  -I/usr/local/include -DLOCALEDIR=\""/usr/local/share/locale"\" -DDATADIR=\""/usr/local/share/gimp-save-for-web"\"   -g -O2 -Wall -MT webx_main.o -MD -MP -MF .deps/webx_main.Tpo -c -o webx_main.o webx_main.c
In file included from webx_dialog.h:24:0,
                 from webx_main.c:30:
/usr/include/gimp-2.0/libgimpwidgets/gimpdialog.h:23:2: error: #error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
make[3]: *** [webx_main.o] Error 1
make[3]: Leaving directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/gabo/Downloads/gimp-save-for-web-0.29.0'
make: *** [all] Error 2