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####################################################################################
# ULib.m4 - Example autoconf macro showing how to find ULib library and header files
####################################################################################
dnl @synopsis AC_ULIB
dnl
dnl This macro tries to find the ULib library and header files.
dnl
dnl We define the following configure script flags:
dnl
dnl --with-ulib: Give prefix for both library and headers, and try to guess subdirectory names for each.
dnl
dnl --with-ulib-lib: Similar to --with-ulib, but for library only.
dnl --with-ulib-include: Similar to --with-ulib, but for headers only.
AC_DEFUN([AC_ULIB],[
AC_CACHE_CHECK([for ULib library stuff], ac_cv_ulib,
[ # Set up configure script macros
AC_ARG_WITH(ulib,
[ --with-ulib=<path> path containing ULib header and library subdirs],
[ULIB_lib_check="$with_ulib/lib $with_ulib/lib/ulib"
ULIB_inc_check="$with_ulib/include $with_ulib/include/ulib"],
[ULIB_lib_check="/usr/local/ulib/lib /usr/local/lib/ulib /opt/ulib/lib /usr/lib/ulib /usr/local/lib /usr/lib"
ULIB_inc_check="/usr/local/ulib/include /usr/local/include/ulib /opt/ulib/include /usr/local/include/ulib /usr/local/include /usr/include/ulib /usr/include"])
AC_ARG_WITH(ulib-lib,
[ --with-ulib-lib=<path> directory path of ULib library],
[ULIB_lib_check="$with_ulib_lib $with_ulib_lib/lib $with_ulib_lib/lib/ulib"])
AC_ARG_WITH(ulib-include,
[ --with-ulib-include=<path> directory path of ULib headers],
[ULIB_inc_check="$with_ulib_include $with_ulib_include/include $with_ulib_include/include/ulib"])
#
# Look for ULib library
#
ULIB_libdir=
for dir in $ULIB_lib_check
do
if test -d "$dir" && \
( test -f "$dir/libulib.so" ||
test -f "$dir/libulib.a" )
then
ULIB_libdir=$dir
break
fi
done
if test -z "$ULIB_libdir"
then
AC_MSG_ERROR([Didn't find the ULib library dir in '$ULIB_lib_check'])
fi
case "$ULIB_libdir" in
/* ) ;;
* ) AC_MSG_ERROR([The ULib library directory ($ULIB_libdir) must be an absolute path.]) ;;
esac
AC_MSG_RESULT([lib in $ULIB_libdir])
case "$ULIB_libdir" in
/usr/lib) ;;
*) LDFLAGS="$LDFLAGS -L${ULIB_libdir}" ;;
esac
#
# Look for ULib headers
#
AC_MSG_CHECKING([for ULib header directory])
ULIB_incdir=
for dir in $ULIB_inc_check
do
if test -d "$dir" && test -f "$dir/all.h"
then
ULIB_incdir=$dir
break
fi
done
if test -z "$ULIB_incdir"
then
AC_MSG_ERROR([Didn't find the ULib header dir in '$ULIB_inc_check'])
fi
case "$ULIB_incdir" in
/* ) ;;
* ) AC_MSG_ERROR([The ULib header directory ($ULIB_incdir) must be an absolute path.]) ;;
esac
AC_MSG_RESULT([$ULIB_incdir])
CPPFLAGS="$CPPFLAGS -I${ULIB_incdir}"
AC_MSG_CHECKING([that we can build ULib programs])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <all.h>],
[UString s; s.c_str();])],
ac_cv_ulib=yes,
AC_MSG_ERROR(no))
])
])
dnl End ULIB