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	jmc	1.1	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			])