+dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
+dnl -----------------
+dnl Check if the given compiler is really the Intel compiler for Linux. It
+dnl tries to imitate gcc, but does not return an error when it finds a mismatch
+dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
+dnl
+dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
+dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
+dnl the wrappers for gcc and g++ warnings.
+dnl
+dnl $1 = GCC (default) or GXX
+dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
+dnl $3 = CFLAGS (default) or CXXFLAGS
+AC_DEFUN([CF_INTEL_COMPILER],[
+AC_REQUIRE([AC_CANONICAL_HOST])
+ifelse([$2],,INTEL_COMPILER,[$2])=no
+
+if test "$ifelse([$1],,[$1],GCC)" = yes ; then
+ case $host_os in
+ (linux*|gnu*)
+ AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
+ cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
+ ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
+ AC_TRY_COMPILE([],[
+#ifdef __INTEL_COMPILER
+#else
+make an error
+#endif
+],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
+cf_save_CFLAGS="$cf_save_CFLAGS -we147"
+],[])
+ ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
+ AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
+ ;;
+ esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
+dnl ----------
+dnl Check if we have either a function or macro for 'isascii()'.
+AC_DEFUN([CF_ISASCII],
+[
+AC_MSG_CHECKING(for isascii)
+AC_CACHE_VAL(cf_cv_have_isascii,[
+ AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
+ [cf_cv_have_isascii=yes],
+ [cf_cv_have_isascii=no])
+])dnl
+AC_MSG_RESULT($cf_cv_have_isascii)
+test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LARGEFILE version: 10 updated: 2017/01/21 11:06:25
+dnl ------------
+dnl Add checks for large file support.
+AC_DEFUN([CF_LARGEFILE],[
+ifdef([AC_FUNC_FSEEKO],[
+ AC_SYS_LARGEFILE
+ if test "$enable_largefile" != no ; then
+ AC_FUNC_FSEEKO
+
+ # Normally we would collect these definitions in the config.h,
+ # but (like _XOPEN_SOURCE), some environments rely on having these
+ # defined before any of the system headers are included. Another
+ # case comes up with C++, e.g., on AIX the compiler compiles the
+ # header files by themselves before looking at the body files it is
+ # told to compile. For ncurses, those header files do not include
+ # the config.h
+ test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
+ test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
+ test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
+
+ AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
+ AC_TRY_COMPILE([
+#pragma GCC diagnostic error "-Wincompatible-pointer-types"
+#include <sys/types.h>
+#include <dirent.h>
+ ],[
+ /* if transitional largefile support is setup, this is true */
+ extern struct dirent64 * readdir(DIR *);
+ struct dirent64 *x = readdir((DIR *)0);
+ struct dirent *y = readdir((DIR *)0);
+ int z = x - y;
+ ],
+ [cf_cv_struct_dirent64=yes],
+ [cf_cv_struct_dirent64=no])
+ ])
+ test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
+ fi
+])
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_LDFLAGS_STATIC version: 12 updated: 2015/04/18 08:56:57
+dnl -----------------
+dnl Check for compiler/linker flags used to temporarily force usage of static
+dnl libraries. This depends on the compiler and platform. Use this to help
+dnl ensure that the linker picks up a given library based on its position in
+dnl the list of linker options and libraries.
+AC_DEFUN([CF_LDFLAGS_STATIC],[
+
+if test "$GCC" = yes ; then
+ case $cf_cv_system_name in
+ (OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)
+ LDFLAGS_STATIC=
+ LDFLAGS_SHARED=
+ ;;
+ (*) # normally, except when broken
+ LDFLAGS_STATIC=-static
+ LDFLAGS_SHARED=-dynamic
+ ;;
+ esac
+else
+ case $cf_cv_system_name in
+ (aix[[4-7]]*) # from ld manpage
+ LDFLAGS_STATIC=-bstatic
+ LDFLAGS_SHARED=-bdynamic
+ ;;
+ (hpux*) # from ld manpage for hpux10.20, hpux11.11
+ # We could also use just "archive" and "shared".
+ LDFLAGS_STATIC=-Wl,-a,archive_shared
+ LDFLAGS_SHARED=-Wl,-a,shared_archive
+ ;;
+ (irix*) # from ld manpage IRIX64
+ LDFLAGS_STATIC=-Bstatic
+ LDFLAGS_SHARED=-Bdynamic
+ ;;
+ (osf[[45]]*) # from ld manpage osf4.0d, osf5.1
+ # alternative "-oldstyle_liblookup" (not in cc manpage)
+ LDFLAGS_STATIC=-noso
+ LDFLAGS_SHARED=-so_archive
+ ;;
+ (solaris2*)
+ LDFLAGS_STATIC=-Bstatic
+ LDFLAGS_SHARED=-Bdynamic
+ ;;
+ esac
+fi
+
+if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
+then
+ AC_MSG_CHECKING(if linker supports switching between static/dynamic)
+
+ rm -f libconftest.a
+ cat >conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+#include <stdio.h>
+int cf_ldflags_static(FILE *fp) { return fflush(fp); }
+EOF
+ if AC_TRY_EVAL(ac_compile) ; then
+ ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
+ ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
+ fi
+ rm -f conftest.*
+
+ cf_save_LIBS="$LIBS"
+
+ LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
+ AC_TRY_LINK([
+#line __oline__ "configure"
+#include <stdio.h>
+int cf_ldflags_static(FILE *fp);
+],[
+ return cf_ldflags_static(stdin);
+],[
+ # some linkers simply ignore the -dynamic
+ case x`file conftest$ac_exeext 2>/dev/null` in
+ (*static*)
+ cf_ldflags_static=no
+ ;;
+ (*)
+ cf_ldflags_static=yes
+ ;;
+ esac
+],[cf_ldflags_static=no])
+
+ rm -f libconftest.*
+ LIBS="$cf_save_LIBS"
+
+ AC_MSG_RESULT($cf_ldflags_static)
+
+ if test $cf_ldflags_static != yes
+ then
+ LDFLAGS_STATIC=
+ LDFLAGS_SHARED=
+ fi
+else
+ LDFLAGS_STATIC=
+ LDFLAGS_SHARED=
+fi
+
+AC_SUBST(LDFLAGS_STATIC)
+AC_SUBST(LDFLAGS_SHARED)
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
+dnl ---------------
+dnl For the given system and compiler, find the compiler flags to pass to the
+dnl loader to use the "rpath" feature.
+AC_DEFUN([CF_LD_RPATH_OPT],
+[
+AC_REQUIRE([CF_CHECK_CACHE])
+
+LD_RPATH_OPT=
+AC_MSG_CHECKING(for an rpath option)
+case $cf_cv_system_name in
+(irix*)
+ if test "$GCC" = yes; then
+ LD_RPATH_OPT="-Wl,-rpath,"
+ else
+ LD_RPATH_OPT="-rpath "
+ fi
+ ;;
+(linux*|gnu*|k*bsd*-gnu|freebsd*)
+ LD_RPATH_OPT="-Wl,-rpath,"
+ ;;
+(openbsd[[2-9]].*|mirbsd*)
+ LD_RPATH_OPT="-Wl,-rpath,"
+ ;;
+(dragonfly*)
+ LD_RPATH_OPT="-rpath "
+ ;;
+(netbsd*)
+ LD_RPATH_OPT="-Wl,-rpath,"
+ ;;
+(osf*|mls+*)
+ LD_RPATH_OPT="-rpath "
+ ;;
+(solaris2*)
+ LD_RPATH_OPT="-R"
+ ;;
+(*)
+ ;;
+esac
+AC_MSG_RESULT($LD_RPATH_OPT)
+
+case "x$LD_RPATH_OPT" in
+(x-R*)
+ AC_MSG_CHECKING(if we need a space after rpath option)
+ cf_save_LIBS="$LIBS"
+ CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
+ AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
+ LIBS="$cf_save_LIBS"
+ AC_MSG_RESULT($cf_rpath_space)
+ test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
+ ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
+dnl ---------------
+dnl Construct a search-list of directories for a nonstandard library-file
+dnl
+dnl Parameters
+dnl $1 = the variable to return as result
+dnl $2 = the package name
+AC_DEFUN([CF_LIBRARY_PATH],