2010-03-26 01:20:59 +02:00
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dnl Check for LIBGD compiler flags. On success, set nut_have_libgd="yes"
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dnl and set LIBGD_CFLAGS and LIBGD_LDFLAGS. On failure, set
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dnl nut_have_libgd="no". This macro can be run multiple times, but will
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dnl do the checking only once.
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AC_DEFUN([NUT_CHECK_LIBGD],
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[
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if test -z "${nut_have_libgd_seen}"; then
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nut_have_libgd_seen=yes
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CFLAGS_ORIG="${CFLAGS}"
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LDFLAGS_ORIG="${LDFLAGS}"
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LIBS_ORIG="${LIBS}"
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dnl Initial defaults. These are only used if gdlib-config is
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dnl unusable and the user fails to pass better values in --with
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dnl arguments
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CFLAGS=""
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LDFLAGS="-L/usr/X11R6/lib"
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LIBS="-lgd -lpng -lz -ljpeg -lfreetype -lm -lXpm -lX11"
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AC_MSG_CHECKING(for gd version via gdlib-config)
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GD_VERSION=`gdlib-config --version 2>/dev/null`
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2011-01-26 11:35:08 +02:00
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if test "$?" != "0" -o -z "${GD_VERSION}"; then
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GD_VERSION="none"
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2010-03-26 01:20:59 +02:00
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fi
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2011-01-26 11:35:08 +02:00
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AC_MSG_RESULT(${GD_VERSION} found)
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2010-03-26 01:20:59 +02:00
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case "${GD_VERSION}" in
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2011-01-26 11:35:08 +02:00
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none)
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2010-03-26 01:20:59 +02:00
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;;
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2.0.5 | 2.0.6 | 2.0.7)
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AC_MSG_WARN([[gd ${GD_VERSION} detected, unable to use gdlib-config script]])
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AC_MSG_WARN([[If gd detection fails, upgrade gd or use --with-gd-includes and --with-gd-libs]])
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;;
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*)
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2011-01-26 11:35:08 +02:00
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CFLAGS="`gdlib-config --includes 2>/dev/null`"
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LDFLAGS="`gdlib-config --ldflags 2>/dev/null`"
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LIBS="`gdlib-config --libs 2>/dev/null`"
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2010-03-26 01:20:59 +02:00
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;;
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esac
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dnl Now allow overriding gd settings if the user knows best
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AC_MSG_CHECKING(for gd include flags)
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2011-01-26 11:35:08 +02:00
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AC_ARG_WITH(gd-includes,
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AS_HELP_STRING([@<:@--with-gd-includes=CFLAGS@:>@], [include flags for the gd library]),
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[
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case "${withval}" in
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yes|no)
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AC_MSG_ERROR(invalid option --with(out)-gd-includes - see docs/configure.txt)
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;;
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*)
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CFLAGS="${withval}"
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;;
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esac
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], [])
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2010-03-26 01:20:59 +02:00
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AC_MSG_RESULT([${CFLAGS}])
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AC_MSG_CHECKING(for gd library flags)
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2011-01-26 11:35:08 +02:00
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AC_ARG_WITH(gd-libs,
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AS_HELP_STRING([@<:@--with-gd-libs=LDFLAGS@:>@], [linker flags for the gd library]),
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[
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case "${withval}" in
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yes|no)
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AC_MSG_ERROR(invalid option --with(out)-gd-libs - see docs/configure.txt)
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;;
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*)
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LDFLAGS="${withval}"
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LIBS=""
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;;
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esac
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], [])
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2010-03-26 01:20:59 +02:00
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AC_MSG_RESULT([${LDFLAGS} ${LIBS}])
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dnl check if gd is usable
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AC_CHECK_HEADERS(gd.h gdfontmb.h, [nut_have_libgd=yes], [nut_have_libgd=no], [AC_INCLUDES_DEFAULT])
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AC_SEARCH_LIBS(gdImagePng, gd, [], [nut_have_libgd=no])
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if test "${nut_have_libgd}" = "yes"; then
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AC_DEFINE(HAVE_LIBGD, 1, [Define if you have Boutell's libgd installed])
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LIBGD_CFLAGS="${CFLAGS}"
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LIBGD_LDFLAGS="${LDFLAGS} ${LIBS}"
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fi
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dnl put back the original versions
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CFLAGS="${CFLAGS_ORIG}"
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LDFLAGS="${LDFLAGS_ORIG}"
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LIBS="${LIBS_ORIG}"
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fi
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])
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