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# efl_find.x.m4 - Macros to locate X11. -*- Autoconf -*-
# EFL_FIND_X(VARIABLE-PREFIX, [headers = "X11/Xlib.h"],
# [libs-and-functions = "X11 XOpenDisplay"],
# [action-if-found], [action-if-not-found])
# checks for X11 using, in order:
# 1) Xorg pkg-config files (using enviroment variables EFL_X11_CFLAGS
# and EFL_X11_LIBS if set, but only if x11.pc exists)
# 2) command line options: --x-includes=dir, --x-libraries=dir
# assume there is an X11 in the given directories
# 3) XMKMF environment variable if set
# 4) xmkmf executable if found
# 5) list of "standard" directories
#
# 2-5 is handled by A_PATH_X
#
# If a X11 is found, [action-if-success] is run and VARIABLE_cflags and
# VARIABLE_libs and VARIABLE_libdirs are defined and substituted.
# VARIABLE_libs will contain all of the libs listed in libs-and-functions.
# VARIABLE_libdirs will contain all -Lpath:s found in VARIABLE_libs
#
# headers is a list of headers to look for. libs-and-functions is a list of
# library and function pairs to look for.
# Each lib and function is checked in pairs, example:
# EFL_FIND_X([EVAS_X11], [X11/X.h], [X11 XCreateImage Xext XShmCreateImage])
# will look for XCreateImage in X11 and XShmCreateImage in Xext and include
# both -lX11 and -lXext in VARIABLE_libs
#
# action-if-found is only called if X11, all headers, all libraries and
# all functions are found.
# You can call EFL_FIND_X multiple times with different lists of headers, libs
# and functions.
AC_DEFUN([EFL_FIND_X],
[
# Must print something as AC_CACHE_VAL writes (cached) if the value is cached
AC_MSG_CHECKING([how to find X])
efl_x11_need_result=1
AC_CACHE_VAL(efl_cv_x11_cache,
[
# this is ugly and breaks that AC_CACHE_VAL may not have side effects
# but I can't think of a better way right now
efl_x11_need_result=0
PKG_CHECK_EXISTS([x11],
[
AC_MSG_RESULT([use pkg-config])
PKG_CHECK_MODULES([EFL_X11],[x11],
[
efl_cv_have_x11=yes
efl_cv_x11_pkgconf=yes
efl_cv_x11_cflags=$EFL_X11_CFLAGS
efl_cv_x11_libs_pre=$EFL_X11_LIBS
efl_cv_x11_libs_post=
])
],
[
AC_MSG_RESULT([use xmkmf])
# Fallback to old AC_PATH_XTRA
AC_PATH_X
AC_PATH_XTRA
if test "$no_x" = yes; then
efl_cv_have_x11=no
else
efl_cv_have_x11=yes
efl_cv_x11_pkgconf=no
efl_cv_x11_cflags=$X_CFLAGS
efl_cv_x11_libs_pre="$X_PRE_LIBS $X_LIBS"
efl_cv_x11_libs_post=$X_EXTRA_LIBS
fi
])
# Record where we found X for the cache.
if test "x$efl_cv_have_x11" = "xno"; then
efl_cv_x11_cache="efl_cv_have_x11=no"
else
efl_cv_x11_cache="efl_cv_have_x11=yes\
efl_cv_x11_pkgconf='$efl_cv_x11_pkgconf'\
efl_cv_x11_cflags='$efl_cv_x11_cflags'\
efl_cv_x11_libs_pre='$efl_cv_x11_libs_pre'\
efl_cv_x11_libs_post='$efl_cv_x11_libs_post'"
fi
])
if test "x$efl_x11_need_result" = "x1"; then
AC_MSG_RESULT([already found])
fi
eval "$efl_cv_x11_cache"
if test "x$efl_cv_have_x11" = "xyes"; then
ELF_X11_CFLAGS_save="$CFLAGS"
ELF_X11_CPPFLAGS_save="$CPPFLAGS"
CFLAGS="$CFLAGS $efl_cv_x11_cflags"
CPPFLAGS="$CPPFLAGS $efl_cv_x11_cflags"
efl_x11_found_all=1
for efl_x11_header in ifelse([$2], , "X11/Xlib.h", [$2]); do
AC_CHECK_HEADER([$efl_x11_header],,[
efl_x11_found_all=0
break])
done
CPPFLAGS="$ELF_X11_CPPFLAGS_save"
CFLAGS="$ELF_X11_CFLAGS_save"
if test "x$efl_x11_found_all" = "x1"; then
EFL_X11_LIBS_save="$LIBS"
if test "x$efl_cv_x11_pkgconf" = "xyes"; then
efl_x11_modules="x11"
efl_x11_lib=""
for efl_x11_lib_function in ifelse([$3], , "X11 XOpenDisplay", [$3]); do
if test -z "$efl_x11_lib"; then
efl_x11_lib="$efl_x11_lib_function"
case $efl_x11_lib in
X11)
;;
Xss)
efl_x11_modules="$efl_x11_modules xscrnsaver"
;;
*)
efl_x11_lib=`echo $efl_x11_lib | tr '[A-Z]' '[a-z]'`
efl_x11_modules="$efl_x11_modules $efl_x11_lib"
;;
esac
else
efl_x11_lib=
fi
done
efl_x11_modules="$efl_x11_modules x11-xcb"
PKG_CHECK_EXISTS([$efl_x11_modules],
[
PKG_CHECK_MODULES([$1],[$efl_x11_modules],
[
efl_x11_cflags=$[]$1[]_CFLAGS
efl_x11_libs=$[]$1[]_LIBS
LIBS="$LIBS $[]$1[]_LIBS"
efl_x11_lib=""
for efl_x11_lib_function in ifelse([$3], , "X11 XOpenDisplay", [$3]); do
if test -z "$efl_x11_lib"; then
efl_x11_lib="$efl_x11_lib_function"
else
# This is a ugly way of using AC_CHECK_FUNC with different
# LIBS
eval "unset ac_cv_func_$efl_x11_lib_function"
AC_CHECK_FUNC([$efl_x11_lib_function],,
[
efl_x11_found_all=0
break])
efl_x11_lib=
fi
done
])
],[efl_x11_found_all=0])
else
LIBS="$LIBS $efl_cv_x11_libs_pre"
efl_x11_libs="$efl_cv_x11_libs_pre"
efl_x11_lib=""
for efl_x11_lib_function in ifelse([$3], , "X11 XOpenDisplay", [$3]); do
if test -z "$efl_x11_lib"; then
efl_x11_lib="$efl_x11_lib_function"
else
AC_CHECK_LIB([$efl_x11_lib], [$efl_x11_lib_function],,[
efl_x11_found_all=0
break],["$efl_cv_x11_libs_post"])
efl_x11_libs="$efl_x11_libs -l$efl_x11_lib"
efl_x11_lib=
fi
done
if test -n "$efl_cv_x11_libs_post"; then
efl_x11_libs="$efl_x11_libs $efl_cv_x11_libs_post"
fi
fi
LIBS="$EFL_X11_LIBS_save"
fi
fi
if test "x$efl_x11_found_all" = "x1"; then
efl_x11_libdirs=""
for efl_x11_option in "$efl_x11_libs"; do
case $efl_x11_option in
-L*)
efl_x11_libdirs="$efl_x11_libdirs $efl_x11_option"
;;
*)
;;
esac
done
AC_SUBST([$1][_cflags],[$efl_cv_x11_cflags])
AC_SUBST([$1][_libs],[$efl_x11_libs])
AC_SUBST([$1][_libdirs],[$efl_x11_libdirs])
ifelse([$4], , :, [$4])
else
ifelse([$5], , :, [$5])
fi
])
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