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dnl GA_CHECK_LIBSX : Checks whether GrADS can be built with libsx
dnl enabled.
dnl args : action-if-yes, action-if-no
AC_DEFUN([GA_CHECK_LIBSX],
[
# Check libs and headers for GUI widgets
GA_LIBSX_LIBS=
ac_save_LDFLAGS=$LDFLAGS
ac_save_LIBS=$LIBS
ac_save_CFLAGS=$CFLAGS
GA_CHECK_XAW([ga_xaw_found='yes'],[ga_xaw_found='no'])
LDFLAGS="$LDFLAGS -L$ga_supplib_dir/lib $X_LIBS"
CFLAGS="$CFLAGS -I$ga_supplib_dir/include/libsx"
ga_use_libsx='no'
ga_libsx_header='no'
ga_libsx_freq_header='no'
if test "z$ga_xaw_found" = "zyes"; then
LIBS="$LIBS $XAW_LIBS $XAW_XLIBS"
CFLAGS="$CFLAGS $X_CFLAGS $XAW_CFLAGS"
AC_CHECK_HEADER([libsx.h],
[ AC_CHECK_HEADER([freq.h],
[
ga_libsx_freq_header='yes'
])
ga_libsx_header='yes'
])
if test "z$ga_libsx_header" = "zyes"; then
if test "z$ga_libsx_freq_header" = "zyes"; then
AC_CHECK_LIB([freq],[main],
[ AC_CHECK_LIB([sx],[GetFile],
[ ga_use_libsx='freq'
GA_LIBSX_LIBS="-lsx -lfreq $XAW_LIBS"
])
])
fi
if test "z$ga_use_libsx" = "zno"; then
AC_CHECK_LIB([sx],[GetFile],
[ ga_use_libsx='yes'
GA_LIBSX_LIBS="-lsx $XAW_LIBS"
])
fi
if test "z$ga_use_libsx" != "zno"; then
AC_CHECK_FUNCS([SimpleGetFile])
ga_getfile_short_prototype=no
AC_MSG_CHECKING([if GetFile has a short prototype])
AC_LANG_PUSH(C)
if test "z$ga_use_libsx" = "zfreq"; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libsx.h>
#include <freq.h>]],
[[GetFile("/path/to/file")]])],[ga_getfile_short_prototype=yes])
else
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libsx.h>]],
[[GetFile("/path/to/file")]])],[ga_getfile_short_prototype=yes])
fi
if test $ga_getfile_short_prototype = 'yes'; then
AC_DEFINE([GETFILE_SHORT_PROTOTYPE],[],[Define if GetFile has a short prototype])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
AC_LANG_POP
fi
fi
fi
if test "z$ga_use_libsx" = "zfreq" ; then
m4_if([$1], [], [:], [$1])
else
if test "z$ga_use_libsx" = "zyes" ; then
m4_if([$2], [], [:], [$2])
else
m4_if([$3], [], [:], [$3])
fi
fi
AC_SUBST([GA_LIBSX_LIBS])
CFLAGS=$ac_save_CFLAGS
LIBS=$ac_save_LIBS
LDFLAGS=$ac_save_LDFLAGS
])
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