From: Adam Dickmeiss <adam@indexdata.dk>
Date: Sun, 13 Apr 2008 15:26:16 +0000 (+0200)
Subject: New boost ID_BOOST which might be a replacement for AX_BOOST.
X-Git-Url: http://jsfdemo.indexdata.com/cgi-bin?a=commitdiff_plain;h=cc0e2d088a804b5f896e3955d77c2fc10dccc793;p=m4-moved-to-github.git

New boost ID_BOOST which might be a replacement for AX_BOOST.
---

diff --git a/boost.m4 b/boost.m4
new file mode 100644
index 0000000..0ecf99d
--- /dev/null
+++ b/boost.m4
@@ -0,0 +1,51 @@
+# configure for Boost libs
+#
+# ID_BOOST([components],[libs])
+AC_DEFUN([ID_BOOST],
+    [
+	AC_MSG_CHECKING([for Boost])
+	AC_LANG_PUSH([C++])
+	oldCPPFLAGS="$CPPFLAGS"
+	oldLIBS="$LIBS"
+	BOOST_REQ_VERSION=`echo "$2" | awk 'BEGIN { FS = "."; } { printf "%d", ([$]1 * 1000 + [$]2) * 100 + [$]3;}'`
+	CPPFLAGS="$CPPFLAGS -DBOOST_REQ_VERSION=${BOOST_REQ_VERSION}"
+
+	AC_ARG_WITH([boost],[[  --with-boost=DIR  use Boost in prefix DIR]])
+	if test "$with_boost" = "yes"; then
+	    BOOST_CPPFLAGS=""
+	    BOOST_LIBS=""
+	else
+	    BOOST_CPPFLAGS="-I${with_boost}/include"
+	    BOOST_LIBS=" -L${with_boost}/lib"
+	fi
+	if test "${with_boost}" = "no"; then
+	    AC_MSG_RESULT([disabled])
+	else
+	    CPPFLAGS="${CPPFLAGS} ${BOOST_CPPFLAGS}"
+	    LIBS="${LIBS} ${BOOST_LIBS}"
+            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <boost/version.hpp>
+]],[[ 
+int x = BOOST_VERSION;
+]])],[AC_MSG_RESULT([yes])],[AC_MSG_RESULT([no])])
+
+
+            AC_MSG_CHECKING([Boost version])
+ 	    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <boost/version.hpp>
+]],[[
+#if BOOST_VERSION < BOOST_REQ_VERSION
+#error Version too old
+#endif
+]])],[
+	    AC_MSG_RESULT([ok])
+],[
+	    AC_MSG_RESULT([version too old])
+	])
+	fi
+	CPPFLAGS="$oldCPPFLAGS"
+	LIBS="$oldLIBS"
+	AC_LANG_POP([C++])
+    ])
+ 
+