147 lines
4.3 KiB
Text
147 lines
4.3 KiB
Text
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 "${nut_have_libgd_seen}"; then
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nut_have_libgd_seen=yes
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NUT_CHECK_PKGCONFIG
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CFLAGS_ORIG="${CFLAGS}"
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LDFLAGS_ORIG="${LDFLAGS}"
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LIBS_ORIG="${LIBS}"
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CFLAGS=""
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LDFLAGS=""
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LIBS=""
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AS_IF([test x"$have_PKG_CONFIG" = xyes],
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[AC_MSG_CHECKING(for gd version via pkg-config)
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GD_VERSION="`$PKG_CONFIG --silence-errors --modversion gdlib 2>/dev/null`"
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if test "$?" != "0" -o -z "${GD_VERSION}"; then
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GD_VERSION="none"
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fi
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AC_MSG_RESULT(${GD_VERSION} found)
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],
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[GD_VERSION="none"
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AC_MSG_NOTICE([can not check libgd settings via pkg-config])
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]
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)
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AS_IF([test x"$GD_VERSION" != xnone],
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[CFLAGS="`$PKG_CONFIG --silence-errors --cflags gdlib 2>/dev/null`"
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LIBS="`$PKG_CONFIG --silence-errors --libs gdlib 2>/dev/null`"
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],
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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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dnl By default seek in PATH
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AC_PATH_PROGS([GDLIB_CONFIG], [gdlib-config], [none])
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AC_ARG_WITH(gdlib-config,
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AS_HELP_STRING([@<:@--with-gdlib-config=/path/to/gdlib-config@:>@],
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[path to program that reports GDLIB configuration]),
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[
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case "${withval}" in
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"") ;;
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yes|no)
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AC_MSG_ERROR(invalid option --with(out)-gdlib-config - see docs/configure.txt)
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;;
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*)
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GDLIB_CONFIG="${withval}"
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;;
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esac
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])
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AS_IF([test x"$GDLIB_CONFIG" != xnone],
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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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if test "$?" != "0" -o -z "${GD_VERSION}"; then
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GD_VERSION="none"
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fi
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AC_MSG_RESULT(${GD_VERSION} found)
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], [GD_VERSION="none"]
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)
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case "${GD_VERSION}" in
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none)
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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 ${GDLIB_CONFIG} script]])
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AC_MSG_WARN([[If gd detection fails, upgrade gd or use --with-gd-includes and --with-gd-libs]])
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;;
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*)
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CFLAGS="`${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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;;
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esac
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]
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)
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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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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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AC_MSG_RESULT([${CFLAGS}])
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AC_MSG_CHECKING(for gd library flags)
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AC_ARG_WITH(gd-libs,
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AS_HELP_STRING([@<:@--with-gd-libs=LDFLAGS@:>@], [linker flags for the gd library]),
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[
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case "${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="${withval}"
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LIBS=""
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;;
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esac
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], [])
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AC_MSG_RESULT([${LDFLAGS} ${LIBS}])
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dnl check if gd is usable
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AC_CHECK_HEADERS(gd.h gdfontmb.h, [nut_have_libgd=yes], [nut_have_libgd=no], [AC_INCLUDES_DEFAULT])
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AC_SEARCH_LIBS(gdImagePng, gd, [], [
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dnl If using pkg-config, query additionally for Libs.private
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dnl to pull -L/usr/X11R6/lib or whatever current OS wants
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AC_MSG_CHECKING([for more gd library flags])
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AS_IF([test -n "${with_gd_libs}" || test x"$have_PKG_CONFIG" != xyes], [nut_have_libgd=no], [
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_LIBS_PRIVATE="`$PKG_CONFIG --silence-errors --libs gdlib --static 2>/dev/null`"
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AS_IF([test -z "${_LIBS_PRIVATE}"], [nut_have_libgd=no], [
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AC_MSG_CHECKING([with gdlib.pc Libs.private])
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LDFLAGS="$LDFLAGS $_LIBS_PRIVATE"
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unset ac_cv_search_gdImagePng
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AC_SEARCH_LIBS(gdImagePng, gd, [], [nut_have_libgd=no])
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])
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unset _LIBS_PRIVATE
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])
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])
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if test "${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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