diff options
Diffstat (limited to 'gcc/configure.in')
| -rw-r--r-- | gcc/configure.in | 104 |
1 files changed, 98 insertions, 6 deletions
diff --git a/gcc/configure.in b/gcc/configure.in index c0afb232296..9d34cbbc06a 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -1,7 +1,8 @@ # configure.in for GCC # Process this file with autoconf to generate a configuration script. -# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. +# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003 +# Free Software Foundation, Inc. #This file is part of GCC. @@ -300,8 +301,7 @@ no) ;; ;; esac ], -# Enable some checks by default for development versions of GCC -[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) +[]) nocommon_flag="" if test x$ac_checking != x ; then AC_DEFINE(ENABLE_CHECKING, 1, @@ -573,7 +573,7 @@ else # that we can use it. gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, [GNU texinfo.* \([0-9][0-9.]*\)], - [4.[1-9]*]) + [4.[2-9]*]) fi if test $gcc_cv_prog_makeinfo_modern = no; then @@ -641,6 +641,15 @@ GNAT_LIBEXC="$LIBS" LIBS="$save_LIBS" AC_SUBST(GNAT_LIBEXC) +# Some systems put ldexp and frexp in libm instead of libc; assume +# they're both in the same place. jcf-dump needs them. +save_LIBS="$LIBS" +LIBS= +AC_SEARCH_LIBS(ldexp, m) +LDEXP_LIB="$LIBS" +LIBS="$save_LIBS" +AC_SUBST(LDEXP_LIB) + # See if the stage1 system preprocessor understands the ANSI C # preprocessor stringification operator. (Used by symcat.h.) AC_C_STRINGIZE @@ -730,6 +739,15 @@ gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ #endif ]) +AC_TRY_COMPILE([ +#include "ansidecl.h" +#include "system.h" +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif +],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long], +[Define to \`long' if <sys/resource.h> doesn't define.])]) + gcc_AC_CHECK_DECLS(times, , ,[ #include "ansidecl.h" #include "system.h" @@ -1633,10 +1651,14 @@ fi AC_MSG_RESULT($gcc_cv_as_hidden) libgcc_visibility=$gcc_cv_as_hidden case "$target" in - mips-sgi-irix6*o32) + mips-sgi-irix6*) if test x"$gnu_ld_flag" = x"no"; then # Even if using gas with .hidden support, the resulting object files - # cannot be linked with the IRIX 6 O32 linker. + # cannot be linked with the IRIX 6 O32 linker. With the N32 and + # N64 linkers, the problem is that the linker refuses to accept + # -call_shared (passed by default to the linker) and -r (used to + # link the object file generated without .hidden directives with + # one that hides symbols), so we also lose. libgcc_visibility=no fi ;; @@ -1865,6 +1887,41 @@ foo: data8 25 tls_first_major=2 tls_first_minor=13 ;; + s390-*-*) + conftest_s=' + .section ".tdata","awT",@progbits +foo: .long 25 + .text + .long foo@TLSGD + .long foo@TLSLDM + .long foo@DTPOFF + .long foo@NTPOFF + .long foo@GOTNTPOFF + .long foo@INDNTPOFF + l %r1,foo@GOTNTPOFF(%r12) + l %r1,0(%r1):tls_load:foo + bas %r14,0(%r1,%r13):tls_gdcall:foo + bas %r14,0(%r1,%r13):tls_ldcall:foo' + tls_first_major=2 + tls_first_minor=14 + ;; + s390x-*-*) + conftest_s=' + .section ".tdata","awT",@progbits +foo: .long 25 + .text + .quad foo@TLSGD + .quad foo@TLSLDM + .quad foo@DTPOFF + .quad foo@NTPOFF + .quad foo@GOTNTPOFF + lg %r1,foo@GOTNTPOFF(%r12) + larl %r1,foo@INDNTPOFF + brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo + brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' + tls_first_major=2 + tls_first_minor=14 + ;; esac if test -z "$tls_first_major"; then : @@ -2101,6 +2158,41 @@ EOF [Define true if the assembler supports '.long foo@GOTOFF'.]) AC_MSG_RESULT($gcc_cv_as_gotoff_in_data) ;; + + ia64*-*-*) + AC_CACHE_CHECK([assembler supports ltoffx and ldxmov], + gcc_cv_as_ltoffx_ldxmov_relocs, [ + gcc_cv_as_ltoffx_ldxmov_relocs=unknown + if test x$gcc_cv_gas_major_version != x \ + -a x$gcc_cv_gas_minor_version != x + then + if test "$gcc_cv_gas_major_version" -eq 2 \ + -a "$gcc_cv_gas_minor_version" -ge 14 \ + -o "$gcc_cv_gas_major_version" -gt 2; then + gcc_cv_as_ltoffx_ldxmov_relocs=yes + fi + elif test x$gcc_cv_as != x; then + cat > conftest.s << 'EOF' +changequote(,)dnl + .text + addl r15 = @ltoffx(x#), gp + ;; + ld8.mov r16 = [r15], x# +EOF +changequote([,])dnl + if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then + gcc_cv_as_ltoffx_ldxmov_relocs=yes + else + gcc_cv_as_ltoffx_ldxmov_relocs=no + fi + rm -f conftest.s conftest.o + fi + ]) + if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then + AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, + [Define if your assembler supports ltoffx and ldxmov relocations.]) + fi + ;; esac AC_MSG_CHECKING(assembler dwarf2 debug_line support) |