From 1741b8e80e92135d80eaa2e22cf90b027034b58d Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 27 Dec 2011 16:18:55 +0200
Subject: Add support for using external boost in autotools build system

---
 m4/libboost.m4 | 144 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 m4/libboost.m4

(limited to 'm4/libboost.m4')

diff --git a/m4/libboost.m4 b/m4/libboost.m4
new file mode 100644
index 0000000..64d34d3
--- /dev/null
+++ b/m4/libboost.m4
@@ -0,0 +1,144 @@
+dnl file      : m4/libboost.m4
+dnl author    : Boris Kolpackov <boris@codesynthesis.com>
+dnl copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+dnl license   : MIT; see accompanying LICENSE file
+dnl
+dnl LIBBOOST([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+dnl
+dnl
+AC_DEFUN([LIBBOOST], [
+libboost_found=no
+
+AC_MSG_CHECKING([for boost base headers])
+
+AC_ARG_WITH(
+  [boost],
+  [AC_HELP_STRING([--with-boost=DIR],[location of boost build directory])],
+  [libboost_dir=${withval}],
+  [libboost_dir=])
+
+# If libboost_dir was given, add the necessary preprocessor and linker flags.
+#
+if test x"$libboost_dir" != x; then
+  save_CPPFLAGS="$CPPFLAGS"
+  save_LDFLAGS="$LDFLAGS"
+
+  AS_SET_CATFILE([abs_libboost_dir], [$ac_pwd], [$libboost_dir])
+
+  CPPFLAGS="$CPPFLAGS -I$abs_libboost_dir"
+  LDFLAGS="$LDFLAGS -L$abs_libboost_dir/stage/lib"
+fi
+
+CXX_LIBTOOL_LINK_IFELSE(
+AC_LANG_SOURCE([[
+#include <boost/version.hpp>
+
+#ifndef BOOST_VERSION
+#  error BOOST_VERSION not defined
+#endif
+
+int
+main ()
+{
+}
+]]),
+[
+libboost_found=yes
+])
+
+if test x"$libboost_found" = xno; then
+  if test x"$libboost_dir" != x; then
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+  fi
+fi
+
+if test x"$libboost_found" = xyes; then
+  AC_MSG_RESULT([yes])
+  $1
+else
+  AC_MSG_RESULT([no])
+  $2
+fi
+])dnl
+dnl
+dnl LIBBOOST_HEADER_LIB(NAME, SOURCE, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+dnl
+AC_DEFUN([LIBBOOST_HEADER_LIB], [
+libboost_$1_found=no
+
+AC_MSG_CHECKING([for boost $1 library])
+CXX_LIBTOOL_LINK_IFELSE([$2],[libboost_$1_found=yes])
+
+if test x"$libboost_$1_found" = xyes; then
+  AC_MSG_RESULT([yes])
+  [$3]
+else
+  AC_MSG_RESULT([no])
+  [$4]
+fi
+])dnl
+dnl
+dnl LIBBOOST_LIB(NAME, SOURCE, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
+dnl
+AC_DEFUN([LIBBOOST_LIB], [
+libboost_$1_found=no
+
+AC_MSG_CHECKING([for boost $1 library])
+
+save_LIBS="$LIBS"
+LIBS="-lboost_$1 $LIBS"
+
+CXX_LIBTOOL_LINK_IFELSE([$2],[libboost_$1_found=yes])
+
+# Try to fall back on the -mt version for backwards-compatibility.
+#
+if test x"$libboost_$1_found" = xno; then
+   LIBS="-lboost_$1-mt $save_LIBS"
+   CXX_LIBTOOL_LINK_IFELSE([$2],[libboost_$1_found=yes])
+fi
+
+if test x"$libboost_$1_found" = xno; then
+  LIBS="$save_LIBS"
+fi
+
+if test x"$libboost_$1_found" = xyes; then
+  AC_MSG_RESULT([yes])
+  [$3]
+else
+  AC_MSG_RESULT([no])
+  [$4]
+fi
+])dnl
+dnl
+dnl LIBBOOST_SYSTEM([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+dnl
+AC_DEFUN([LIBBOOST_SYSTEM], [
+LIBBOOST_LIB([system],
+AC_LANG_SOURCE([[
+int
+main ()
+{
+}
+]]),
+[$1],
+[$2])
+])dnl
+dnl
+dnl LIBBOOST_REGEX([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+dnl
+AC_DEFUN([LIBBOOST_REGEX], [
+LIBBOOST_LIB([regex],
+AC_LANG_SOURCE([[
+#include <boost/tr1/regex.hpp>
+
+int
+main ()
+{
+  std::tr1::regex r ("te.t", std::tr1::regex_constants::ECMAScript);
+  return std::tr1::regex_match ("test", r) ? 0 : 1;
+}
+]]),
+[$1],
+[$2])
+])dnl
-- 
cgit v1.1