mpack-1.6-4/cmulocal/librestrict.m4

dnl librestrict.m4--restrict libraries and includes
dnl Derrick Brashear
dnl from KTH krb and Arla
dnl $Id: librestrict.m4,v 1.3 2002/12/21 18:44:25 cg2v Exp $

AC_DEFUN(CMU_RESTRICT_LIB_WHERE1, [
saved_LIBS=$LIBS
LIBS="$saved_LIBS -L$1 -lrestrict"
AC_TRY_LINK(,
[ConsoleInUse();],
[ac_cv_found_restrict_lib=yes],
ac_cv_found_restrict_lib=no)
LIBS=$saved_LIBS
])

AC_DEFUN(CMU_RESTRICT_LIB_WHERE, [
   for i in $1; do
      AC_MSG_CHECKING(for restrict library in $i)
      CMU_RESTRICT_LIB_WHERE1($i)
      CMU_TEST_LIBPATH($i, restrict)
      if test "$ac_cv_found_restrict_lib" = "yes" ; then
        ac_cv_restrict_where_lib=$i
        AC_MSG_RESULT(found)
        break
      else
        AC_MSG_RESULT(no found)
      fi
    done
])

AC_DEFUN(CMU_RESTRICT, [
AC_ARG_WITH(restrict,
        [  --with-restrict=PREFIX      Compile with RESTRICT support],
        [if test "X$with_restrict" = "X"; then
                with_restrict=yes
        fi])

        if test "X$with_restrict" != "X"; then
          if test "$with_restrict" != "yes"; then
            ac_cv_restrict_where_lib=$with_restrict/lib
          fi
        fi

        if test "X$with_restrict_lib" != "X"; then
          ac_cv_restrict_where_lib=$with_restrict_lib
        fi
        if test "X$ac_cv_restrict_where_lib" = "X"; then
          CMU_RESTRICT_LIB_WHERE(/usr/lib /usr/local/lib)
        fi

        AC_MSG_CHECKING(whether to include restrict)
        if test "X$ac_cv_restrict_where_lib" = "X"; then
          ac_cv_found_restrict=no
          AC_MSG_RESULT(no)
        else
          ac_cv_found_restrict=yes
          AC_DEFINE(HAVE_RESTRICT)
          AC_MSG_RESULT(yes)
          RESTRICT_LIB_DIR=$ac_cv_restrict_where_lib
          RESTRICT_LIB_FLAGS="-L${RESTRICT_LIB_DIR} -lrestrict"
          if test "X$RPATH" = "X"; then
                RPATH=""
          fi
          case "${host}" in
            *-*-linux*)
              if test "X$RPATH" = "X"; then
                RPATH="-Wl,-rpath,${RESTRICT_LIB_DIR}"
              else 
                RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
              fi
              ;;
            *-*-hpux*)
              if test "X$RPATH" = "X"; then
                RPATH="-Wl,+b${RESTRICT_LIB_DIR}"
              else 
                RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
              fi
              ;;
            *-*-irix*)
              if test "X$RPATH" = "X"; then
                RPATH="-Wl,-rpath,${RESTRICT_LIB_DIR}"
              else 
                RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
              fi
              ;;
            *-*-solaris2*)
              if test "$ac_cv_prog_gcc" = yes; then
                if test "X$RPATH" = "X"; then
                  RPATH="-Wl,-R${RESTRICT_LIB_DIR}"
                else 
                  RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
                fi
              else
                RPATH="${RPATH} -R${RESTRICT_LIB_DIR}"
              fi
              ;;
          esac
          AC_SUBST(RPATH)
        fi
        ])
1	dnl librestrict.m4--restrict libraries and includes
2	dnl Derrick Brashear
3	dnl from KTH krb and Arla
4	dnl $Id: librestrict.m4,v 1.3 2002/12/21 18:44:25 cg2v Exp $
5
6	AC_DEFUN(CMU_RESTRICT_LIB_WHERE1, [
7	saved_LIBS=$LIBS
8	LIBS="$saved_LIBS -L$1 -lrestrict"
9	AC_TRY_LINK(,
10	[ConsoleInUse();],
11	[ac_cv_found_restrict_lib=yes],
12	ac_cv_found_restrict_lib=no)
13	LIBS=$saved_LIBS
14	])
15
16	AC_DEFUN(CMU_RESTRICT_LIB_WHERE, [
17	for i in $1; do
18	AC_MSG_CHECKING(for restrict library in $i)
19	CMU_RESTRICT_LIB_WHERE1($i)
20	CMU_TEST_LIBPATH($i, restrict)
21	if test "$ac_cv_found_restrict_lib" = "yes" ; then
22	ac_cv_restrict_where_lib=$i
23	AC_MSG_RESULT(found)
24	break
25	else
26	AC_MSG_RESULT(no found)
27	fi
28	done
29	])
30
31	AC_DEFUN(CMU_RESTRICT, [
32	AC_ARG_WITH(restrict,
33	[ --with-restrict=PREFIX Compile with RESTRICT support],
34	[if test "X$with_restrict" = "X"; then
35	with_restrict=yes
36	fi])
37
38	if test "X$with_restrict" != "X"; then
39	if test "$with_restrict" != "yes"; then
40	ac_cv_restrict_where_lib=$with_restrict/lib
41	fi
42	fi
43
44	if test "X$with_restrict_lib" != "X"; then
45	ac_cv_restrict_where_lib=$with_restrict_lib
46	fi
47	if test "X$ac_cv_restrict_where_lib" = "X"; then
48	CMU_RESTRICT_LIB_WHERE(/usr/lib /usr/local/lib)
49	fi
50
51	AC_MSG_CHECKING(whether to include restrict)
52	if test "X$ac_cv_restrict_where_lib" = "X"; then
53	ac_cv_found_restrict=no
54	AC_MSG_RESULT(no)
55	else
56	ac_cv_found_restrict=yes
57	AC_DEFINE(HAVE_RESTRICT)
58	AC_MSG_RESULT(yes)
59	RESTRICT_LIB_DIR=$ac_cv_restrict_where_lib
60	RESTRICT_LIB_FLAGS="-L${RESTRICT_LIB_DIR} -lrestrict"
61	if test "X$RPATH" = "X"; then
62	RPATH=""
63	fi
64	case "${host}" in
65	--linux*)
66	if test "X$RPATH" = "X"; then
67	RPATH="-Wl,-rpath,${RESTRICT_LIB_DIR}"
68	else
69	RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
70	fi
71	;;
72	--hpux*)
73	if test "X$RPATH" = "X"; then
74	RPATH="-Wl,+b${RESTRICT_LIB_DIR}"
75	else
76	RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
77	fi
78	;;
79	--irix*)
80	if test "X$RPATH" = "X"; then
81	RPATH="-Wl,-rpath,${RESTRICT_LIB_DIR}"
82	else
83	RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
84	fi
85	;;
86	--solaris2*)
87	if test "$ac_cv_prog_gcc" = yes; then
88	if test "X$RPATH" = "X"; then
89	RPATH="-Wl,-R${RESTRICT_LIB_DIR}"
90	else
91	RPATH="${RPATH}:${RESTRICT_LIB_DIR}"
92	fi
93	else
94	RPATH="${RPATH} -R${RESTRICT_LIB_DIR}"
95	fi
96	;;
97	esac
98	AC_SUBST(RPATH)
99	fi
100	])