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authorKevin B Kenny <kennykb@acm.org>2005-07-21 21:22:58 (GMT)
committerKevin B Kenny <kennykb@acm.org>2005-07-21 21:22:58 (GMT)
commit62e6cfe58942a5ad17479f50213844599b49b9e6 (patch)
tree5c893e8016d0d2debfc9ad0171fc4c9d764ed055 /unix/tcl.m4
parent53fb7068b06bf05b8f2e21e2212f77264b3ad2b6 (diff)
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drop support of ancient BSD, IRIX4, RISCos, Ultrix, and ldAout.tcl
Diffstat (limited to 'unix/tcl.m4')
-rw-r--r--unix/tcl.m4228
1 files changed, 41 insertions, 187 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 10335ad..92f29a3 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1135,18 +1135,6 @@ dnl AC_CHECK_TOOL(AR, ar)
LD_LIBRARY_PATH_VAR="SHLIB_PATH"
fi
;;
- IRIX-4.*)
- SHLIB_CFLAGS="-G 0"
- SHLIB_SUFFIX=".a"
- SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
- SHLIB_LD_LIBS='${LIBS}'
- DL_OBJS="tclLoadAout.o"
- DL_LIBS=""
- LDFLAGS="$LDFLAGS -Wl,-D,08000000"
- CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
- SHARED_LIB_SUFFIX='${VERSION}.a'
- ;;
IRIX-5.*)
SHLIB_CFLAGS=""
SHLIB_LD="ld -shared -rdata_shared"
@@ -1296,88 +1284,59 @@ dnl AC_CHECK_TOOL(AR, ar)
LD_SEARCH_FLAGS=""
;;
NetBSD-*|FreeBSD-[[1-2]].*)
- # Not available on all versions: check for include file.
- AC_CHECK_HEADER(dlfcn.h, [
- # NetBSD/SPARC needs -fPIC, -fpic will not do.
- SHLIB_CFLAGS="-fPIC"
- SHLIB_LD="ld -Bshareable -x"
- SHLIB_LD_LIBS=""
- SHLIB_SUFFIX=".so"
- DL_OBJS="tclLoadDl.o"
- DL_LIBS=""
- CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
- AC_MSG_CHECKING(for ELF)
- AC_EGREP_CPP(yes, [
+ # NetBSD/SPARC needs -fPIC, -fpic will not do.
+ SHLIB_CFLAGS="-fPIC"
+ SHLIB_LD="ld -Bshareable -x"
+ SHLIB_LD_LIBS=""
+ SHLIB_SUFFIX=".so"
+ DL_OBJS="tclLoadDl.o"
+ DL_LIBS=""
+ CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+ LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
+ AC_MSG_CHECKING(for ELF)
+ AC_EGREP_CPP(yes, [
#ifdef __ELF__
yes
#endif
- ],
- AC_MSG_RESULT(yes)
- SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so',
- AC_MSG_RESULT(no)
- SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
- )
- ], [
- SHLIB_CFLAGS=""
- SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r"
- SHLIB_LD_LIBS='${LIBS}'
- SHLIB_SUFFIX=".a"
- DL_OBJS="tclLoadAout.o"
- DL_LIBS=""
- CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
- SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
- ])
+ ],
+ AC_MSG_RESULT(yes)
+ SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so',
+ AC_MSG_RESULT(no)
+ SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+ )
- # FreeBSD doesn't handle version numbers with dots.
+ # Ancient FreeBSD doesn't handle version numbers with dots.
UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
TCL_LIB_VERSIONS_OK=nodots
;;
OpenBSD-*)
- case `arch -s` in
- m88k|vax)
- SHLIB_CFLAGS=""
- SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r"
- SHLIB_LD_LIBS='${LIBS}'
- SHLIB_SUFFIX=".a"
- DL_OBJS="tclLoadAout.o"
- DL_LIBS=""
- LDFLAGS=""
- CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
- SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
- ;;
+ # OpenBSD/SPARC[64] needs -fPIC, -fpic will not do.
+ case `machine` in
+ sparc|sparc64)
+ SHLIB_CFLAGS="-fPIC";;
*)
- # OpenBSD/SPARC[64] needs -fPIC, -fpic will not do.
- case `machine` in
- sparc|sparc64)
- SHLIB_CFLAGS="-fPIC";;
- *)
- SHLIB_CFLAGS="-fpic";;
- esac
- SHLIB_LD="${CC} -shared ${SHLIB_CFLAGS}"
- SHLIB_LD_LIBS=""
- SHLIB_SUFFIX=".so"
- DL_OBJS="tclLoadDl.o"
- DL_LIBS=""
- CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
- SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
- AC_MSG_CHECKING(for ELF)
- AC_EGREP_CPP(yes, [
+ SHLIB_CFLAGS="-fpic";;
+ esac
+ SHLIB_LD="${CC} -shared ${SHLIB_CFLAGS}"
+ SHLIB_LD_LIBS=""
+ SHLIB_SUFFIX=".so"
+ DL_OBJS="tclLoadDl.o"
+ DL_LIBS=""
+ CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
+ LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
+ SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.so.1.0'
+ AC_MSG_CHECKING(for ELF)
+ AC_EGREP_CPP(yes, [
#ifdef __ELF__
yes
#endif
- ],
- AC_MSG_RESULT(yes)
- [ LDFLAGS=-Wl,-export-dynamic ],
- AC_MSG_RESULT(no)
- LDFLAGS=""
- )
- ;;
- esac
+ ],
+ AC_MSG_RESULT(yes)
+ [ LDFLAGS=-Wl,-export-dynamic ],
+ AC_MSG_RESULT(no)
+ LDFLAGS=""
+ )
# OpenBSD doesn't do version numbers with dots.
UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
@@ -1563,17 +1522,6 @@ dnl AC_CHECK_TOOL(AR, ar)
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
- RISCos-*)
- SHLIB_CFLAGS="-G 0"
- SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
- SHLIB_LD_LIBS='${LIBS}'
- SHLIB_SUFFIX=".a"
- DL_OBJS="tclLoadAout.o"
- DL_LIBS=""
- LDFLAGS="$LDFLAGS -Wl,-D,08000000"
- CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
- ;;
SCO_SV-3.2*)
# Note, dlopen is available only on SCO 3.2.5 and greater. However,
# this test works, since "uname -s" was non-standard in 3.2.4 and
@@ -1723,20 +1671,6 @@ dnl AC_CHECK_TOOL(AR, ar)
LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
fi
;;
- ULTRIX-4.*)
- SHLIB_CFLAGS="-G 0"
- SHLIB_SUFFIX=".a"
- SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
- SHLIB_LD_LIBS='${LIBS}'
- DL_OBJS="tclLoadAout.o"
- DL_LIBS=""
- LDFLAGS="$LDFLAGS -Wl,-D,08000000"
- CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
- LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
- if test "$GCC" != "yes" ; then
- CFLAGS="$CFLAGS -DHAVE_TZSET -std1"
- fi
- ;;
UNIX_SV* | UnixWare-5*)
SHLIB_CFLAGS="-KPIC"
SHLIB_LD="cc -G"
@@ -1765,87 +1699,7 @@ dnl AC_CHECK_TOOL(AR, ar)
AC_DEFINE(TCL_CFG_DO64BIT, 1, [Is this a 64-bit build?])
fi
- # Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic
- # Loading for Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop,
- # New Orleans, LA, Computerized Processes Unlimited, 1994), then we need
- # to determine which of several header files defines the a.out file
- # format (a.out.h, sys/exec.h, or sys/exec_aout.h). At present, we
- # support only a file format that is more or less version-7-compatible.
- # In particular,
- # - a.out files must begin with `struct exec'.
- # - the N_TXTOFF on the `struct exec' must compute the seek address
- # of the text segment
- # - The `struct exec' must contain a_magic, a_text, a_data, a_bss
- # and a_entry fields.
- # The following compilation should succeed if and only if either sys/exec.h
- # or a.out.h is usable for the purpose.
- #
- # Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
- # `struct exec' includes a second header that contains information that
- # duplicates the v7 fields that are needed.
-
- if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
- AC_MSG_CHECKING(sys/exec.h)
- AC_TRY_COMPILE([#include <sys/exec.h>],[
- struct exec foo;
- unsigned long seek;
- int flag;
-#if defined(__mips) || defined(mips)
- seek = N_TXTOFF (foo.ex_f, foo.ex_o);
-#else
- seek = N_TXTOFF (foo);
-#endif
- flag = (foo.a_magic == OMAGIC);
- return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
- ], tcl_ok=usable, tcl_ok=unusable)
- AC_MSG_RESULT($tcl_ok)
- if test $tcl_ok = usable; then
- AC_DEFINE(USE_SYS_EXEC_H, 1,
- [Should we use <sys/exec.h> when doing dynamic loading?])
- else
- AC_MSG_CHECKING(a.out.h)
- AC_TRY_COMPILE([#include <a.out.h>],[
- struct exec foo;
- unsigned long seek;
- int flag;
-#if defined(__mips) || defined(mips)
- seek = N_TXTOFF (foo.ex_f, foo.ex_o);
-#else
- seek = N_TXTOFF (foo);
-#endif
- flag = (foo.a_magic == OMAGIC);
- return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
- ], tcl_ok=usable, tcl_ok=unusable)
- AC_MSG_RESULT($tcl_ok)
- if test $tcl_ok = usable; then
- AC_DEFINE(USE_A_OUT_H, 1,
- [Should we use <a.out.h> when doing dynamic loading?])
- else
- AC_MSG_CHECKING(sys/exec_aout.h)
- AC_TRY_COMPILE([#include <sys/exec_aout.h>],[
- struct exec foo;
- unsigned long seek;
- int flag;
-#if defined(__mips) || defined(mips)
- seek = N_TXTOFF (foo.ex_f, foo.ex_o);
-#else
- seek = N_TXTOFF (foo);
-#endif
- flag = (foo.a_midmag == OMAGIC);
- return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
- ], tcl_ok=usable, tcl_ok=unusable)
- AC_MSG_RESULT($tcl_ok)
- if test $tcl_ok = usable; then
- AC_DEFINE(USE_SYS_EXEC_AOUT_H, 1,
- [Should we use <sys/exec_aout.h> when doing dynamic loading?])
- else
- DL_OBJS=""
- fi
- fi
- fi
- fi
-
- # Step 5: disable dynamic loading if requested via a command-line switch.
+ # Step 4: disable dynamic loading if requested via a command-line switch.
AC_ARG_ENABLE(load,
AC_HELP_STRING([--disable-load],