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Diffstat (limited to 'config/acx.m4')
| -rw-r--r-- | config/acx.m4 | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/config/acx.m4 b/config/acx.m4 deleted file mode 100644 index 94e321636..000000000 --- a/config/acx.m4 +++ /dev/null @@ -1,298 +0,0 @@ -# Autoconf M4 include file defining utility macros for complex Canadian -# cross builds. - -dnl #### -dnl # _GCC_TOPLEV_NONCANONICAL_BUILD -dnl # $build_alias or canonical $build if blank. -dnl # Used when we would use $build_alias, but empty is not OK. -AC_DEFUN([_GCC_TOPLEV_NONCANONICAL_BUILD], -[AC_REQUIRE([AC_CANONICAL_BUILD]) []dnl -case ${build_alias} in - "") build_noncanonical=${build} ;; - *) build_noncanonical=${build_alias} ;; -esac -]) []dnl # _GCC_TOPLEV_NONCANONICAL_BUILD - -dnl #### -dnl # _GCC_TOPLEV_NONCANONICAL_HOST -dnl # $host_alias, or $build_noncanonical if blank. -dnl # Used when we would use $host_alias, but empty is not OK. -AC_DEFUN([_GCC_TOPLEV_NONCANONICAL_HOST], -[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl -case ${host_alias} in - "") host_noncanonical=${build_noncanonical} ;; - *) host_noncanonical=${host_alias} ;; -esac -]) []dnl # _GCC_TOPLEV_NONCANONICAL_HOST - -dnl #### -dnl # _GCC_TOPLEV_NONCANONICAL_TARGET -dnl # $target_alias or $host_noncanonical if blank. -dnl # Used when we would use $target_alias, but empty is not OK. -AC_DEFUN([_GCC_TOPLEV_NONCANONICAL_TARGET], -[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_HOST]) []dnl -case ${target_alias} in - "") target_noncanonical=${host_noncanonical} ;; - *) target_noncanonical=${target_alias} ;; -esac -]) []dnl # _GCC_TOPLEV_NONCANONICAL_TARGET - -dnl #### -dnl # ACX_NONCANONICAL_BUILD -dnl # Like underscored version, but AC_SUBST's. -AC_DEFUN([ACX_NONCANONICAL_BUILD], -[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl -AC_SUBST(build_noncanonical) -]) []dnl # ACX_NONCANONICAL_BUILD - -dnl #### -dnl # ACX_NONCANONICAL_HOST -dnl # Like underscored version, but AC_SUBST's. -AC_DEFUN([ACX_NONCANONICAL_HOST], -[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_HOST]) []dnl -AC_SUBST(host_noncanonical) -]) []dnl # ACX_NONCANONICAL_HOST - -dnl #### -dnl # ACX_NONCANONICAL_TARGET -dnl # Like underscored version, but AC_SUBST's. -AC_DEFUN([ACX_NONCANONICAL_TARGET], -[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_TARGET]) []dnl -AC_SUBST(target_noncanonical) -]) []dnl # ACX_NONCANONICAL_TARGET - -dnl #### -dnl # GCC_TOPLEV_SUBDIRS -dnl # GCC & friends build 'build', 'host', and 'target' tools. These must -dnl # be separated into three well-known subdirectories of the build directory: -dnl # build_subdir, host_subdir, and target_subdir. The values are determined -dnl # here so that they can (theoretically) be changed in the future. They -dnl # were previously reproduced across many different files. -dnl # -dnl # This logic really amounts to very little with autoconf 2.13; it will -dnl # amount to a lot more with autoconf 2.5x. -AC_DEFUN([GCC_TOPLEV_SUBDIRS], -[AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_TARGET]) []dnl -AC_REQUIRE([_GCC_TOPLEV_NONCANONICAL_BUILD]) []dnl -# Prefix 'build-' so this never conflicts with target_subdir. -build_subdir="build-${build_noncanonical}" -# --srcdir=. covers the toplevel, while "test -d" covers the subdirectories -if ( test $srcdir = . && test -d gcc ) \ - || test -d $srcdir/../host-${host_noncanonical}; then - host_subdir="host-${host_noncanonical}" -else - host_subdir=. -fi -# No prefix. -target_subdir=${target_noncanonical} -AC_SUBST([build_subdir]) []dnl -AC_SUBST([host_subdir]) []dnl -AC_SUBST([target_subdir]) []dnl -]) []dnl # GCC_TOPLEV_SUBDIRS - - -#### -# _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM -# or AC_INIT. -# These demand that AC_CANONICAL_SYSTEM be called beforehand. -AC_DEFUN([_NCN_TOOL_PREFIXES], -[ncn_tool_prefix= -test -n "$host_alias" && ncn_tool_prefix=$host_alias- -ncn_target_tool_prefix= -test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- -]) []dnl # _NCN_TOOL_PREFIXES - -#### -# NCN_STRICT_CHECK_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path]) -# Like plain AC_CHECK_TOOLS, but require prefix if build!=target. - -AC_DEFUN([NCN_STRICT_CHECK_TOOLS], -[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl -for ncn_progname in $2; do - if test -n "$ncn_tool_prefix"; then - AC_CHECK_PROG([$1], [${ncn_tool_prefix}${ncn_progname}], - [${ncn_tool_prefix}${ncn_progname}], , [$4]) - fi - if test -z "$ac_cv_prog_$1" && test $build = $host ; then - AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4]) - fi - test -n "$ac_cv_prog_$1" && break -done - -if test -z "$ac_cv_prog_$1" ; then - ifelse([$3],[], [set dummy $2 - if test $build = $host ; then - $1="[$]2" - else - $1="${ncn_tool_prefix}[$]2" - fi], [$1="$3"]) -fi -]) []dnl # NCN_STRICT_CHECK_TOOLS - -#### -# NCN_STRICT_CHECK_TARGET_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path]) -# Like CVS Autoconf AC_CHECK_TARGET_TOOLS, but require prefix if build!=target. - -AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOLS], -[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl -for ncn_progname in $2; do - if test -n "$ncn_target_tool_prefix"; then - AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}${ncn_progname}], - [${ncn_target_tool_prefix}${ncn_progname}], , [$4]) - fi - if test -z "$ac_cv_prog_$1" && test $build = $target ; then - AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4]) - fi - test -n "$ac_cv_prog_$1" && break -done - -if test -z "$ac_cv_prog_$1" ; then - ifelse([$3],[], [set dummy $2 - if test $build = $target ; then - $1="[$]2" - else - $1="${ncn_target_tool_prefix}[$]2" - fi], [$1="$3"]) -fi -]) []dnl # NCN_STRICT_CHECK_TARGET_TOOLS - -### -# AC_PROG_CPP_WERROR -# Used for autoconf 2.5x to force AC_PREPROC_IFELSE to reject code which -# triggers warnings from the preprocessor. Will be in autoconf 2.58. -# For now, using this also overrides header checks to use only the -# preprocessor (matches 2.13 behavior; matching 2.58's behavior is a -# bit harder from here). -# Eventually autoconf will default to checking headers with the compiler -# instead, and we'll have to do this differently. - -AC_DEFUN([AC_PROG_CPP_WERROR], -[AC_REQUIRE([AC_PROG_CPP])dnl -m4_define([AC_CHECK_HEADER],m4_defn([_AC_CHECK_HEADER_OLD])) -ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR - -# Test for GNAT. -# We require the gnatbind program, and a compiler driver that -# understands Ada. We use the user's CC setting, already found. -# -# Sets the shell variable have_gnat to yes or no as appropriate, and -# substitutes GNATBIND. -AC_DEFUN([ACX_PROG_GNAT], -[AC_REQUIRE([AC_CHECK_TOOL_PREFIX]) -AC_REQUIRE([AC_PROG_CC]) -AC_CHECK_TOOL(GNATBIND, gnatbind, no) -AC_CACHE_CHECK([whether compiler driver understands Ada], - acx_cv_cc_gcc_supports_ada, -[cat >conftest.adb <<EOF -procedure conftest is begin null; end conftest; -EOF -acx_cv_cc_gcc_supports_ada=no -# There is a bug in old released versions of GCC which causes the -# driver to exit successfully when the appropriate language module -# has not been installed. This is fixed in 2.95.4, 3.0.2, and 3.1. -# Therefore we must check for the error message as well as an -# unsuccessful exit. -# Other compilers, like HP Tru64 UNIX cc, exit successfully when -# given a .adb file, but produce no object file. So we must check -# if an object file was really produced to guard against this. -errors=`(${CC} -c conftest.adb) 2>&1 || echo failure` -if test x"$errors" = x && test -f conftest.$ac_objext; then - acx_cv_cc_gcc_supports_ada=yes -fi -rm -f conftest.*]) - -if test x$GNATBIND != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then - have_gnat=yes -else - have_gnat=no -fi -]) - -dnl 'make compare' can be significantly faster, if cmp itself can -dnl skip bytes instead of using tail. The test being performed is -dnl "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2" -dnl but we need to sink errors and handle broken shells. We also test -dnl for the parameter format "cmp file1 file2 skip1 skip2" which is -dnl accepted by cmp on some systems. -AC_DEFUN([ACX_PROG_CMP_IGNORE_INITIAL], -[AC_CACHE_CHECK([how to compare bootstrapped objects], gcc_cv_prog_cmp_skip, -[ echo abfoo >t1 - echo cdfoo >t2 - gcc_cv_prog_cmp_skip='tail +16c $$f1 > tmp-foo1; tail +16c $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2' - if cmp t1 t2 2 2 > /dev/null 2>&1; then - if cmp t1 t2 1 1 > /dev/null 2>&1; then - : - else - gcc_cv_prog_cmp_skip='cmp $$f1 $$f2 16 16' - fi - fi - if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then - if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then - : - else - gcc_cv_prog_cmp_skip='cmp --ignore-initial=16 $$f1 $$f2' - fi - fi - rm t1 t2 -]) -do_compare="$gcc_cv_prog_cmp_skip" -AC_SUBST(do_compare) -]) - -dnl See whether we can include both string.h and strings.h. -AC_DEFUN([ACX_HEADER_STRING], -[AC_CACHE_CHECK([whether string.h and strings.h may both be included], - gcc_cv_header_string, -[AC_TRY_COMPILE([#include <string.h> -#include <strings.h>], , gcc_cv_header_string=yes, gcc_cv_header_string=no)]) -if test $gcc_cv_header_string = yes; then - AC_DEFINE(STRING_WITH_STRINGS, 1, [Define if you can safely include both <string.h> and <strings.h>.]) -fi -]) - -dnl See if stdbool.h properly defines bool and true/false. -dnl Check whether _Bool is built-in. -AC_DEFUN([ACX_HEADER_STDBOOL], -[AC_CACHE_CHECK([for working stdbool.h], - ac_cv_header_stdbool_h, -[AC_TRY_COMPILE([#include <stdbool.h>], -[bool foo = false;], -ac_cv_header_stdbool_h=yes, ac_cv_header_stdbool_h=no)]) -if test $ac_cv_header_stdbool_h = yes; then - AC_DEFINE(HAVE_STDBOOL_H, 1, - [Define if you have a working <stdbool.h> header file.]) -fi -AC_CACHE_CHECK(for built-in _Bool, gcc_cv_c__bool, -[AC_TRY_COMPILE(, -[_Bool foo;], -gcc_cv_c__bool=yes, gcc_cv_c__bool=no) -]) -if test $gcc_cv_c__bool = yes; then - AC_DEFINE(HAVE__BOOL, 1, [Define if the \`_Bool' type is built-in.]) -fi -]) - -dnl See if hard links work and if not, try to substitute $1 or simple copy. -AC_DEFUN([ACX_PROG_LN], -[AC_MSG_CHECKING(whether ln works) -AC_CACHE_VAL(acx_cv_prog_LN, -[rm -f conftestdata_t -echo >conftestdata_f -if ln conftestdata_f conftestdata_t 2>/dev/null -then - acx_cv_prog_LN=ln -else - acx_cv_prog_LN=no -fi -rm -f conftestdata_f conftestdata_t -])dnl -if test $acx_cv_prog_LN = no; then - LN="ifelse([$1],,cp,[$1])" - AC_MSG_RESULT([no, using $LN]) -else - LN="$acx_cv_prog_LN" - AC_MSG_RESULT(yes) -fi -AC_SUBST(LN)dnl -]) - |