break up acinclude.m4 into individual files, which will make it easier to maintain, easier to add new macros (less patching) and will ease maintenance of these macros across Asterisk branches

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@151240 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 82 insertions, 0 deletions

diff --git a/autoconf/ast_ext_lib.m4 b/autoconf/ast_ext_lib.m4
new file mode 100644
index 000000000..07d0fddbb
--- /dev/null
+++ b/autoconf/ast_ext_lib.m4
@@ -0,0 +1,82 @@
+# AST_EXT_LIB_SETUP([package symbol name], [package friendly name], [package option name], [additional help text])
+
+AC_DEFUN([AST_EXT_LIB_SETUP],
+[
+$1_DESCRIP="$2"
+$1_OPTION="$3"
+AC_ARG_WITH([$3], AC_HELP_STRING([--with-$3=PATH],[use $2 files in PATH $4]),[
+case ${withval} in
+     n|no)
+     USE_$1=no
+     ;;
+     y|ye|yes)
+     $1_MANDATORY="yes"
+     ;;
+     *)
+     $1_DIR="${withval}"
+     $1_MANDATORY="yes"
+     ;;
+esac
+])
+PBX_$1=0
+AC_SUBST([$1_LIB])
+AC_SUBST([$1_INCLUDE])
+AC_SUBST([$1_DIR])
+AC_SUBST([PBX_$1])
+])
+
+# AST_EXT_LIB_CHECK([package symbol name], [package library name], [function to check], [package header], [additional LIB data], [additional INCLUDE data])
+
+AC_DEFUN([AST_EXT_LIB_CHECK],
+[
+if test "${USE_$1}" != "no"; then
+   pbxlibdir=""
+   if test "x${$1_DIR}" != "x"; then
+      if test -d ${$1_DIR}/lib; then
+      	 pbxlibdir="-L${$1_DIR}/lib"
+      else
+      	 pbxlibdir="-L${$1_DIR}"
+      fi
+   fi
+   AC_CHECK_LIB([$2], [$3], [AST_$1_FOUND=yes], [AST_$1_FOUND=no], ${pbxlibdir} $5)
+
+   if test "${AST_$1_FOUND}" = "yes"; then
+      $1_LIB="-l$2 $5"
+      $1_HEADER_FOUND="1"
+      if test "x${$1_DIR}" != "x"; then
+         $1_LIB="${pbxlibdir} ${$1_LIB}"
+	 $1_INCLUDE="-I${$1_DIR}/include"
+      fi
+      $1_INCLUDE="${$1_INCLUDE} $6"
+      saved_cppflags="${CPPFLAGS}"
+      CPPFLAGS="${CPPFLAGS} ${$1_INCLUDE}"
+      if test "x$4" != "x" ; then
+         AC_CHECK_HEADER([$4], [$1_HEADER_FOUND=1], [$1_HEADER_FOUND=0])
+      fi
+      CPPFLAGS="${saved_cppflags}"
+      if test "x${$1_HEADER_FOUND}" = "x0" ; then
+         if test -n "${$1_MANDATORY}" ;
+         then
+            AC_MSG_NOTICE([***])
+            AC_MSG_NOTICE([*** It appears that you do not have the $2 development package installed.])
+            AC_MSG_NOTICE([*** Please install it to include ${$1_DESCRIP} support, or re-run configure])
+            AC_MSG_NOTICE([*** without explicitly specifying --with-${$1_OPTION}])
+            exit 1
+         fi
+         $1_LIB=""
+         $1_INCLUDE=""
+         PBX_$1=0
+      else
+         PBX_$1=1
+         AC_DEFINE_UNQUOTED([HAVE_$1], 1, [Define to indicate the ${$1_DESCRIP} library])
+      fi
+   elif test -n "${$1_MANDATORY}";
+   then
+      AC_MSG_NOTICE([***])
+      AC_MSG_NOTICE([*** The ${$1_DESCRIP} installation on this system appears to be broken.])
+      AC_MSG_NOTICE([*** Either correct the installation, or run configure])
+      AC_MSG_NOTICE([*** without explicitly specifying --with-${$1_OPTION}])
+      exit 1
+   fi
+fi
+])