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##*****************************************************************************
## $Id: x_ac_blcr.m4 0001 2009-01-10 16:06:05Z hjcao $
##*****************************************************************************
# AUTHOR:
# Copied from x_ac_munge.
#
#
# SYNOPSIS:
# X_AC_BLCR()
#
# DESCRIPTION:
# Check the usual suspects for an BLCR installation,
# updating CPPFLAGS and LDFLAGS as necessary.
#
# WARNINGS:
# This macro must be placed after AC_PROG_CC and before AC_PROG_LIBTOOL.
##*****************************************************************************
AC_DEFUN([X_AC_BLCR], [
_x_ac_blcr_dirs="/usr /usr/local /opt/freeware /opt/blcr"
_x_ac_blcr_libs="lib64 lib"
AC_ARG_WITH(
[blcr],
AS_HELP_STRING(--with-blcr=PATH,Specify path to BLCR installation),
[_x_ac_blcr_dirs="$withval $_x_ac_blcr_dirs"])
AC_CACHE_CHECK(
[for blcr installation],
[x_ac_cv_blcr_dir],
[
for d in $_x_ac_blcr_dirs; do
test -d "$d" || continue
test -d "$d/include" || continue
test -f "$d/include/libcr.h" || continue
for bit in $_x_ac_blcr_libs; do
test -d "$d/$bit" || continue
_x_ac_blcr_libs_save="$LIBS"
LIBS="-L$d/$bit -lcr $LIBS"
AC_LINK_IFELSE(
AC_LANG_CALL([], cr_init),
AS_VAR_SET(x_ac_cv_blcr_dir, $d))
LIBS="$_x_ac_blcr_libs_save"
test -n "$x_ac_cv_blcr_dir" && break
done
test -n "$x_ac_cv_blcr_dir" && break
done
])
if test -z "$x_ac_cv_blcr_dir"; then
AC_MSG_WARN([unable to locate blcr installation])
else
BLCR_HOME="$x_ac_cv_blcr_dir"
BLCR_LIBS="-lcr"
BLCR_CPPFLAGS="-I$x_ac_cv_blcr_dir/include"
BLCR_LDFLAGS="-L$x_ac_cv_blcr_dir/$bit"
fi
AC_DEFINE_UNQUOTED(BLCR_HOME, "$x_ac_cv_blcr_dir", [Define BLCR installation home])
AC_SUBST(BLCR_HOME)
AC_SUBST(BLCR_LIBS)
AC_SUBST(BLCR_CPPFLAGS)
AC_SUBST(BLCR_LDFLAGS)
AM_CONDITIONAL(WITH_BLCR, test -n "$x_ac_cv_blcr_dir")
])
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