+dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
+dnl -------------
+dnl Check if we must define _GNU_SOURCE to get a reasonable value for
+dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
+dnl (or misfeature) of glibc2, which breaks portability of many applications,
+dnl since it is interwoven with GNU extensions.
+dnl
+dnl Well, yes we could work around it...
+AC_DEFUN([CF_GNU_SOURCE],
+[
+AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
+AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_gnu_source=no],
+ [cf_save="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_gnu_source=no],
+ [cf_cv_gnu_source=yes])
+ CPPFLAGS="$cf_save"
+ ])
+])
+test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GPP_LIBRARY version: 8 updated: 2003/02/02 01:41:46
+dnl --------------
+dnl If we're trying to use g++, test if libg++ is installed (a rather common
+dnl problem :-). If we have the compiler but no library, we'll be able to
+dnl configure, but won't be able to build the c++ demo program.
+AC_DEFUN([CF_GPP_LIBRARY],
+[
+cf_cxx_library=unknown
+case $cf_cv_system_name in #(vi
+os2*) #(vi
+ cf_gpp_libname=gpp
+ ;;
+*)
+ cf_gpp_libname=g++
+ ;;
+esac
+if test "$GXX" = yes; then
+ AC_MSG_CHECKING([for lib$cf_gpp_libname])
+ cf_save="$LIBS"
+ LIBS="$LIBS -l$cf_gpp_libname"
+ AC_TRY_LINK([
+#include <$cf_gpp_libname/builtin.h>
+ ],
+ [two_arg_error_handler_t foo2 = lib_error_handler],
+ [cf_cxx_library=yes
+ CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
+ if test "$cf_gpp_libname" = cpp ; then
+ AC_DEFINE(HAVE_GPP_BUILTIN_H)
+ else
+ AC_DEFINE(HAVE_GXX_BUILTIN_H)
+ fi],
+ [AC_TRY_LINK([
+#include <builtin.h>
+ ],
+ [two_arg_error_handler_t foo2 = lib_error_handler],
+ [cf_cxx_library=yes
+ CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
+ AC_DEFINE(HAVE_BUILTIN_H)],
+ [cf_cxx_library=no])])
+ LIBS="$cf_save"
+ AC_MSG_RESULT($cf_cxx_library)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GXX_VERSION version: 5 updated: 2005/08/27 09:53:42
+dnl --------------
+dnl Check for version of g++
+AC_DEFUN([CF_GXX_VERSION],[
+AC_REQUIRE([AC_PROG_CPP])
+GXX_VERSION=none
+if test "$GXX" = yes; then
+ AC_MSG_CHECKING(version of g++)
+ GXX_VERSION="`${CXX-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+ test -z "$GXX_VERSION" && GXX_VERSION=unknown
+ AC_MSG_RESULT($GXX_VERSION)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GXX_WARNINGS version: 5 updated: 2005/08/13 14:54:38
+dnl ---------------
+dnl Check if the compiler supports useful warning options.
+dnl
+dnl Most of gcc's options apply to g++, except:
+dnl -Wbad-function-cast
+dnl -Wmissing-declarations
+dnl -Wnested-externs
+dnl
+dnl Omit a few (for now):
+dnl -Winline
+dnl
+dnl Parameter:
+dnl $1 is an optional list of g++ warning flags that a particular
+dnl application might want to use, e.g., "no-unused" for
+dnl -Wno-unused
+dnl Special:
+dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
+dnl
+AC_DEFUN([CF_GXX_WARNINGS],
+[
+
+CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
+
+AC_REQUIRE([CF_GXX_VERSION])
+
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+
+cat > conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
+EOF
+
+if test "$INTEL_CPLUSPLUS" = yes
+then
+# The "-wdXXX" options suppress warnings:
+# remark #1419: external declaration in primary source file
+# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
+# remark #193: zero used for undefined preprocessing identifier
+# remark #593: variable "curs_sb_left_arrow" was set but never used
+# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
+# remark #869: parameter "tw" was never referenced
+# remark #981: operands are evaluated in unspecified order
+# warning #269: invalid format string conversion
+
+ AC_CHECKING([for $CC warning options])
+ cf_save_CXXFLAGS="$CXXFLAGS"
+ EXTRA_CXXFLAGS="-Wall"
+ for cf_opt in \
+ wd1419 \
+ wd1682 \
+ wd1683 \
+ wd1684 \
+ wd193 \
+ wd279 \
+ wd593 \
+ wd810 \
+ wd869 \
+ wd981
+ do
+ CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
+ if AC_TRY_EVAL(ac_compile); then
+ test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+ EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
+ fi
+ done
+ CXXFLAGS="$cf_save_CXXFLAGS"
+
+elif test "$GXX" = yes
+then
+ AC_CHECKING([for $CXX warning options])
+ cf_save_CXXFLAGS="$CXXFLAGS"
+ EXTRA_CXXFLAGS="-W -Wall"
+ cf_gxx_extra_warnings=""
+ test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
+ case "$GCC_VERSION" in
+ [[1-2]].*)
+ ;;
+ *)
+ cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
+ ;;
+ esac
+ for cf_opt in \
+ Wabi \
+ fabi-version=0 \
+ Woverloaded-virtual \
+ Wsign-promo \
+ Wsynth \
+ Wold-style-cast \
+ Wcast-align \
+ Wcast-qual \
+ Wmissing-prototypes \
+ Wpointer-arith \
+ Wshadow \
+ Wstrict-prototypes \
+ Wundef $cf_gxx_extra_warnings $1
+ do
+ CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
+ if AC_TRY_EVAL(ac_compile); then
+ test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+ EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
+ else
+ test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
+ fi
+ done
+ CXXFLAGS="$cf_save_CXXFLAGS"
+fi
+
+rm -f conftest*
+AC_LANG_RESTORE
+AC_SUBST(EXTRA_CXXFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HASHED_DB version: 1 updated: 2006/08/19 09:16:14
+dnl ------------
+dnl Look for an instance of the Berkeley hashed database.
+AC_DEFUN([CF_HASHED_DB],
+[
+AC_CHECK_HEADER(db.h,[
+CF_HASHED_DB_VERSION
+if test "$cf_cv_hashed_db_version" = unknown ; then
+ AC_MSG_ERROR(Cannot determine version of db)
+else
+ CF_HASHED_DB_LIBS
+ if test "$cf_cv_hashed_db_libs" = unknown ; then
+ AC_MSG_ERROR(Cannot determine library for db)
+ elif test "$cf_cv_hashed_db_libs" != default ; then
+ LIBS="-l$cf_cv_hashed_db_libs $LIBS"
+ fi
+fi
+],[
+ AC_MSG_ERROR(Cannot find db.h)
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HASHED_DB_LIBS version: 6 updated: 2006/12/16 12:33:30
+dnl -----------------
+dnl Given that we have the header and version for hashed database, find the
+dnl library information.
+AC_DEFUN([CF_HASHED_DB_LIBS],
+[
+AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
+cf_cv_hashed_db_libs=unknown
+for cf_db_libs in db$cf_cv_hashed_db_version db ''
+do
+ cf_save_libs="$LIBS"
+ if test -n "$cf_db_libs"; then
+ LIBS="-l$cf_db_libs $LIBS"
+ fi
+ CF_MSG_LOG(checking for library "$cf_db_libs")
+ AC_TRY_LINK([
+$ac_includes_default
+#include <db.h>
+],[
+ char *path = "/tmp/foo";
+#ifdef DB_VERSION_MAJOR
+#if DB_VERSION_MAJOR >= 4
+ DB *result = 0;
+ db_create(&result, NULL, 0);
+ result->open(result,
+ NULL,
+ path,
+ path,
+ DB_HASH,
+ DB_CREATE,
+ 0644);
+#elif DB_VERSION_MAJOR >= 3
+ DB *result = 0;
+ db_create(&result, NULL, 0);
+ result->open(result,
+ path,
+ path,
+ DB_HASH,
+ DB_CREATE,
+ 0644);
+#elif DB_VERSION_MAJOR >= 2
+ DB *result = 0;
+ db_open(path,
+ DB_HASH,
+ DB_CREATE,
+ 0644,
+ (DB_ENV *) 0,
+ (DB_INFO *) 0,
+ &result);
+#endif /* DB_VERSION_MAJOR */
+#else
+ DB *result = dbopen(path,
+ 2,
+ 0644,
+ DB_HASH,
+ 0);
+#endif
+ ${cf_cv_main_return:-return}(result != 0)
+],[
+ if test -n "$cf_db_libs" ; then
+ cf_cv_hashed_db_libs=$cf_db_libs
+ else
+ cf_cv_hashed_db_libs=default
+ fi
+ LIBS="$cf_save_libs"
+ break
+])
+ LIBS="$cf_save_libs"
+done
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HASHED_DB_VERSION version: 2 updated: 2006/08/19 15:12:49
+dnl --------------------
+dnl Given that we have the header file for hashed database, find the version
+dnl information.
+AC_DEFUN([CF_HASHED_DB_VERSION],
+[
+AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
+cf_cv_hashed_db_version=unknown
+
+for cf_db_version in 1 2 3 4
+do
+ CF_MSG_LOG(checking for db version $cf_db_version)
+ AC_TRY_COMPILE([
+$ac_includes_default
+#include <db.h>
+
+#ifdef DB_VERSION_MAJOR
+ /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
+#if $cf_db_version == DB_VERSION_MAJOR
+ /* ok */
+#else
+ make an error
+#endif
+#else
+#if $cf_db_version == 1
+ /* ok: assuming this is DB 1.8.5 */
+#else
+ make an error
+#endif
+#endif
+],[DBT *foo = 0],[
+ cf_cv_hashed_db_version=$cf_db_version
+ break
+ ])
+done
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
+dnl ---------------