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@ -2,122 +2,17 @@
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# Process this file with autoconf to produce a configure script. |
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AC_PREREQ([2.67]) |
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# FIXME Temporary hack until the next release (we'll switch to plain numeric tags then) |
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# TBD need to quote sed expression |
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AC_INIT( |
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[crosstool-NG], |
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[m4_esyscmd_s([git describe --always --dirty])], |
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[crossgcc@sourceware.org]) |
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[crossgcc@sourceware.org], |
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[crosstool-ng], |
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[http://crosstool-ng.org]) |
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AC_CONFIG_AUX_DIR([scripts]) |
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#-------------------------------------------------------------------- |
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# A few helper macros |
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# ACX_WITH_DEPRECATED(PROG, VAR) |
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# Declare a deprecated --with option: instead of --with-PROG=xxx, must use VAR=xxx |
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AC_DEFUN( |
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[ACX_WITH_DEPRECATED], |
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[AC_ARG_WITH([$1], |
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[AS_HELP_STRING([--with-$1=PATH], |
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[Deprecated; use $2=PATH instead])], |
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[AC_MSG_ERROR([--with-$1=$withval deprecated; use $2=$withval instead])]) |
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]) |
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# Check for required tool |
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AC_DEFUN( |
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[ACX_CHECK_TOOL_REQ], |
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[AC_CHECK_TOOLS([$1], [$2]) |
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AS_IF( |
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[test -z "$$1"], |
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[AC_MSG_ERROR([missing required tool: $2])]) |
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]) |
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# Check for required tool, set variable to full pathname |
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AC_DEFUN( |
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[ACX_PATH_TOOL_REQ], |
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[ACX_WITH_DEPRECATED([$3], [$1]) |
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AC_ARG_VAR([$1], [Specify the full path to GNU $3]) |
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ACX_CHECK_TOOL_REQ([$1], [$2]) |
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AS_CASE( |
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[$$1], |
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[/*],, |
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[?*],[AC_MSG_CHECKING([for absolute path to $$1]) |
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$1=$(which $$1) |
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AC_MSG_RESULT([$$1])])]) |
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# Check for required program |
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AC_DEFUN( |
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[ACX_CHECK_PROGS_REQ], |
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[AC_CHECK_PROGS([$1], [$2]) |
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AS_IF( |
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[test -z "$$1"], |
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[AC_MSG_ERROR([missing required tool: $2])]) |
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]) |
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# Check for path to required program |
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AC_DEFUN( |
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[ACX_PATH_PROGS_REQ], |
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[AC_PATH_PROGS([$1], [$2]) |
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AS_IF( |
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[test -z "$$1"], |
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[AC_MSG_ERROR([missing required tool: $2])]) |
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]) |
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# Set the kconfig option |
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AC_DEFUN( |
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[ACX_SET_KCONFIG_OPTION], |
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[AS_IF( |
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[test -n "$$1"], |
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[AC_SUBST([KCONFIG_$1], ["def_bool y"])], |
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[AC_SUBST([KCONFIG_$1], ["bool"])])]) |
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# Check if a given program is available with a particular version. |
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# ACX_PROG_VERSION(VAR, HELP, PROG, SRCH, VERSION_CHECK[, CONFIG_OPT]) |
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# Search for PROG under possible names of SRCH. Allow user overrides in variable |
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# VAR; display HELP message. Try to find a version that satisfies VERSION_CHECK |
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# regexp; if that is achieved, set CONFIG_OPT in the kconfig. Otherwise, settle |
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# for any version found. |
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# Sets acx_version_VAR_ok to ':' if the version met the criterion, or false otherwise. |
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AC_DEFUN( |
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[ACX_PROG_VERSION], |
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[AS_IF([test -z "$EGREP"], |
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[AC_MSG_ERROR([This macro can only be used after checking for EGREP])]) |
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ACX_WITH_DEPRECATED([$3], [$1]) |
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AC_ARG_VAR([$1], [Specify the full path to $2]) |
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acx_version_$1_ok=false |
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AC_CACHE_CHECK([for $3], [ac_cv_path_$1], |
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[AC_PATH_PROGS_FEATURE_CHECK([$1], [$4], |
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[[ver=`$ac_path_$1 --version 2>/dev/null| $EGREP $5` |
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test -z "$ac_cv_path_$1" && ac_cv_path_$1=$ac_path_$1 |
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test -n "$ver" && ac_cv_path_$1="$ac_path_$1" ac_path_$1_found=: acx_version_$1_ok=:]])]) |
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AS_IF([test -n "$1"], |
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[[ver=`$ac_path_$1 --version 2>/dev/null| $EGREP $5` |
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test -n "$ver" && acx_version_$1_ok=:]]) |
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AC_MSG_CHECKING([for $2]) |
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AS_IF([$acx_version_$1_ok], |
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[AC_MSG_RESULT([yes])], |
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[AC_MSG_RESULT([no])]) |
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AC_SUBST([$1], [$ac_cv_path_$1]) |
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AS_IF([test -n "$6"], |
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[AS_IF([$acx_version_$1_ok], [$6=y], [$6=]) |
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ACX_SET_KCONFIG_OPTION([$6])]) |
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]) |
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# Same as above, but make it a fatal error if the tool is not found at all |
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# (i.e. "require any version, prefer version X or newer") |
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AC_DEFUN( |
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[ACX_PROG_VERSION_REQ_ANY], |
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[ACX_PROG_VERSION([$1], [$2], [$3], [$4], [$5], [$6]) |
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AS_IF([test -z "$$1"], |
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[AC_MSG_ERROR([Required tool not found: $3])]) |
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]) |
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# Same, but also require the version check to pass |
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# (i.e. "require version X or newer") |
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AC_DEFUN( |
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[ACX_PROG_VERSION_REQ_STRICT], |
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[ACX_PROG_VERSION([$1], [$2], [$3], [$4], [$5], [$6]) |
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AS_IF([test -z "$$1" || ! $acx_version_$1_ok], |
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[AC_MSG_ERROR([Required tool not found: $2])]) |
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]) |
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AC_CONFIG_MACRO_DIR([m4]) |
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# Check if install(1) supports --strip-program=... |
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AC_DEFUN( |
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@ -144,8 +39,7 @@ AC_ARG_ENABLE(
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[do not install, and use current directory])]) |
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AC_SUBST([enable_local], [${enable_local:-no}]) |
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# FIXME: I don't know why we have this. Will remove after the next |
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# release. |
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# FIXME: I don't know why we have this. Will remove after the 1.24 release. |
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AC_ARG_ENABLE( |
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[shared], |
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[AS_HELP_STRING( |
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@ -157,7 +51,6 @@ AC_ARG_ENABLE(
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[--enable-static], |
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[build static libraries (deprecated, ignored)])]) |
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#--------------------------------------------------------------------- |
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# Check for --build and --host... |
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AC_CANONICAL_BUILD |
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AC_CANONICAL_HOST |
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@ -168,27 +61,27 @@ AS_IF([test -n "$target_alias"],
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# Allow program name tranformation (--program-{prefix,suffix,transform-name}) |
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AC_ARG_PROGRAM |
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#--------------------------------------------------------------------- |
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# Initial checks that are usually done first (I don't know why, that's |
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# just what I seem to experience...) |
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#--------------------------------------------------------------------- |
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ACX_WITH_DEPRECATED([install], [INSTALL]) |
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AC_PROG_MKDIR_P |
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CTNG_WITH_DEPRECATED([install], [INSTALL]) |
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AC_ARG_VAR([INSTALL], [Specify the full path to a BSD-compatible install]) |
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AC_PROG_INSTALL |
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ACX_INSTALL_STRIP_PROGRAM |
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ACX_WITH_DEPRECATED([grep], [GREP]) |
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CTNG_WITH_DEPRECATED([grep], [GREP]) |
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AC_ARG_VAR([GREP], [Specify the full path to GNU grep]) |
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# This is not a typo! Prefer GNU grep on macOS if it is installed. |
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ACX_PATH_TOOL_REQ([GREP], [ggrep grep], [grep]) |
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ACX_PATH_TOOL_REQ([EGREP], [gegrep egrep], [egrep]) |
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CTNG_PATH_TOOL_REQ([GREP], [ggrep grep], [grep]) |
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CTNG_PATH_TOOL_REQ([EGREP], [gegrep egrep], [egrep]) |
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AC_PROG_GREP |
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AC_PROG_EGREP |
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# FIXME: ct-ng assumes this in many places... |
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AS_IF([test "$EGREP" != "$GREP -E"], |
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[AC_MSG_ERROR([egrep is not $GREP -E])]) |
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ACX_PROG_VERSION_REQ_STRICT([SED], |
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CTNG_PROG_VERSION_REQ_STRICT([SED], |
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[GNU sed >= 4.0], |
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[sed], |
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[gsed sed], |
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@ -203,9 +96,11 @@ AC_PROG_LN_S
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# Modern GCC/GDB releases require C++ support in the compiler |
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AC_PROG_CC |
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AC_PROG_CXX |
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AC_PROG_CPP |
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AC_PROG_LEX |
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AC_PROG_YACC |
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AS_IF([test -z "$CC" -o -z "$CXX"], |
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[AC_MSG_ERROR([no suitable compiler found])]) |
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AC_PROG_CPP |
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#--------------------------------------------------------------------- |
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# Check to see if the compiler can link statically |
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@ -218,82 +113,58 @@ AS_IF([test $static_test -eq 0],
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[test $static_test -ne 0], |
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[static_link= |
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AC_MSG_RESULT([no])]) |
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ACX_SET_KCONFIG_OPTION([static_link]) |
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CTNG_SET_KCONFIG_OPTION([static_link]) |
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AC_PROG_RANLIB |
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ACX_PATH_TOOL_REQ([OBJCOPY], [gobjcopy objcopy], [objcopy]) |
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ACX_PATH_TOOL_REQ([OBJDUMP], [gobjdump objdump], [objdump]) |
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ACX_PATH_TOOL_REQ([READELF], [greadelf readelf], [readelf]) |
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ACX_PATH_TOOL_REQ([GPERF], [gperf], [gperf]) |
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ACX_CHECK_PROGS_REQ([bison], [bison]) |
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ACX_CHECK_PROGS_REQ([flex], [flex]) |
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ACX_CHECK_PROGS_REQ([makeinfo], [makeinfo]) |
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ACX_CHECK_PROGS_REQ([cut], [cut]) |
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ACX_CHECK_PROGS_REQ([readlink], [readlink]) |
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ACX_CHECK_PROGS_REQ([tar], [tar]) |
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ACX_CHECK_PROGS_REQ([gzip], [gzip]) |
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ACX_CHECK_PROGS_REQ([bzip2], [bzip2]) |
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ACX_CHECK_PROGS_REQ([xz], [xz]) |
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ACX_CHECK_PROGS_REQ([help2man], [help2man]) |
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CTNG_PATH_TOOL_REQ([OBJCOPY], [gobjcopy objcopy], [objcopy]) |
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CTNG_PATH_TOOL_REQ([OBJDUMP], [gobjdump objdump], [objdump]) |
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CTNG_PATH_TOOL_REQ([READELF], [greadelf readelf], [readelf]) |
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CTNG_PATH_TOOL_REQ([GPERF], [gperf], [gperf]) |
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CTNG_CHECK_PROGS_REQ([bison], [bison]) |
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CTNG_CHECK_PROGS_REQ([flex], [flex]) |
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CTNG_CHECK_PROGS_REQ([makeinfo], [makeinfo]) |
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CTNG_CHECK_PROGS_REQ([cut], [cut]) |
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CTNG_CHECK_PROGS_REQ([readlink], [readlink]) |
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CTNG_CHECK_PROGS_REQ([tar], [tar]) |
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CTNG_CHECK_PROGS_REQ([gzip], [gzip]) |
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CTNG_CHECK_PROGS_REQ([bzip2], [bzip2]) |
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CTNG_CHECK_PROGS_REQ([xz], [xz]) |
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CTNG_CHECK_PROGS_REQ([help2man], [help2man]) |
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# Not a fatal failure even if we have neither - the tarballs may |
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# be provided in a local directory. |
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AC_CHECK_PROGS([wget], [wget]) |
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ACX_SET_KCONFIG_OPTION([wget]) |
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CTNG_SET_KCONFIG_OPTION([wget]) |
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AC_SUBST([wget]) |
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AC_CHECK_PROGS([curl], [curl]) |
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ACX_SET_KCONFIG_OPTION([curl]) |
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CTNG_SET_KCONFIG_OPTION([curl]) |
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AC_SUBST([curl]) |
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ACX_CHECK_PROGS_REQ([stat], [stat]) |
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AC_CACHE_CHECK([whether stat takes GNU or BSD format], |
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[acx_cv_stat_flavor], |
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[touch conftest |
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chmod 642 conftest |
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attr_bsd=`stat -f '%Lp' conftest 2>/dev/null` |
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attr_gnu=`stat -c '%a' conftest 2>/dev/null` |
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rm -f conftest |
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AS_IF([test "$attr_bsd" = "642"], |
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[acx_cv_stat_flavor=BSD], |
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[test "$attr_gnu" = "642"], |
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[acx_cv_stat_flavor=GNU], |
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[AC_MSG_ERROR([cannot determine stat(1) format option])])]) |
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# TBD move the checks/setting kconfig into [IF-BSD] and [IF-GNU] arguments to CTNG_PROG_STAT |
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# TBD modify CTNG_SET_KCONFIG_OPTION to take an optional argument to which it should be set |
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CTNG_PROG_STAT |
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# FIXME: support SET_KCONFIG_OPTION with string values? But then |
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# again, these checks may be moved into ct-ng script. |
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test "$acx_cv_stat_flavor" = "BSD" && stat_flavor_BSD=y |
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ACX_SET_KCONFIG_OPTION([stat_flavor_BSD]) |
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CTNG_SET_KCONFIG_OPTION([stat_flavor_BSD]) |
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test "$acx_cv_stat_flavor" = "GNU" && stat_flavor_GNU=y |
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ACX_SET_KCONFIG_OPTION([stat_flavor_GNU]) |
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CTNG_SET_KCONFIG_OPTION([stat_flavor_GNU]) |
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#Find out how to count CPUs |
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AC_CACHE_CHECK([whether to use getconf or sysctl to count CPUs], |
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[acx_cv_cpu_count], |
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[getconf _NPROCESSORS_ONLN >/dev/null 2>&1 && \ |
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acx_cv_cpu_count="getconf _NPROCESSORS_ONLN" |
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sysctl -n hw.ncpu >/dev/null 2>&1 && \ |
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acx_cv_cpu_count="sysctl -n hw.ncpu"]) |
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AC_SUBST(CPU_COUNT, "$acx_cv_cpu_count") |
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CTNG_CPU_COUNT |
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#-------------------------------------------------------------------- |
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# Still boring, but remember the path, now... |
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#-------------------------------------------------------------------- |
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ACX_PATH_TOOL_REQ([PATCH], [gpatch patch], [patch]) |
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CTNG_PATH_TOOL_REQ([PATCH], [gpatch patch], [patch]) |
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#-------------------------------------------------------------------- |
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# And a bunch of less boring tests... |
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#-------------------------------------------------------------------- |
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# We need a bash that is >= 3.1 |
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ACX_PROG_VERSION_REQ_STRICT([BASH_SHELL], |
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CTNG_PROG_VERSION_REQ_STRICT([BASH_SHELL], |
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[GNU bash >= 3.1], |
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[bash], |
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[bash], |
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['^GNU bash, version (3\.[1-9]|4)']) |
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# We need a awk that *is* GNU awk |
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ACX_PROG_VERSION_REQ_STRICT([AWK], |
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CTNG_PROG_VERSION_REQ_STRICT([AWK], |
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[GNU awk], |
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[awk], |
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[gawk awk], |
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@ -306,7 +177,7 @@ ACX_PROG_VERSION_REQ_STRICT([AWK],
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# build/install crosstool-ng itself. |
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#---------------------------------------- |
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# Check for GNU make (want 3.81 or above, but will accept as long as any make is found) |
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ACX_PROG_VERSION_REQ_ANY([MAKE], |
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CTNG_PROG_VERSION_REQ_ANY([MAKE], |
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[GNU make >= 3.81], |
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[make], |
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[gmake make], |
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@ -314,85 +185,64 @@ ACX_PROG_VERSION_REQ_ANY([MAKE],
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[make_3_81_or_newer]) |
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# Check other companion tools that we may or may not build |
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ACX_PROG_VERSION([LIBTOOL], |
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CTNG_PROG_VERSION([LIBTOOL], |
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[GNU libtool >= 2.4], |
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[libtool], |
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[glibtool libtool], |
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['\(GNU libtool\) ([3-9]\.|2.[4-9]|2.[1-3][0-9])'], |
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[libtool_2_4_or_newer]) |
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ACX_PROG_VERSION([LIBTOOLIZE], |
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CTNG_PROG_VERSION([LIBTOOLIZE], |
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[GNU libtoolize >= 2.4], |
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[libtoolize], |
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[glibtoolize libtoolize], |
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['\(GNU libtool\) ([3-9]\.|2.[4-9]|2.[1-3][0-9])'], |
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[libtoolize_2_4_or_newer]) |
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ACX_PROG_VERSION([AUTOCONF], |
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CTNG_PROG_VERSION([AUTOCONF], |
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[GNU autoconf >= 2.65], |
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[autoconf], |
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[autoconf], |
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['\(GNU Autoconf\) ([3-9]\.|2\.[7-9][0-9]|2\.6[5-9])'], |
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[autoconf_2_63_or_newer]) |
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ACX_PROG_VERSION([AUTORECONF], |
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CTNG_PROG_VERSION([AUTORECONF], |
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[GNU autoreconf >= 2.63], |
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[autoreconf], |
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[autoreconf], |
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['\(GNU Autoconf\) ([3-9]\.|2\.[7-9][0-9]|2\.6[3-9])'], |
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[autoreconf_2_63_or_newer]) |
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ACX_PROG_VERSION([AUTOMAKE], |
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CTNG_PROG_VERSION([AUTOMAKE], |
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[GNU automake >= 1.15], |
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[automake], |
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[automake], |
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['\(GNU automake\) ([2-9]\.|1\.[2-9][0-9]|1\.1[5-9])'], |
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[automake_1_15_or_newer]) |
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ACX_PROG_VERSION([M4], |
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CTNG_PROG_VERSION([M4], |
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[GNU m4 >= 1.4.12], |
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[m4], |
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[gm4 m4], |
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['\(GNU M4\) ([2-9]\.|1\.[5-9]|1\.[1-4][0-9]|1\.4\.[2-9][0-9]|1\.4\.1[2-9])'], |
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[gnu_m4_1_4_12_or_newer]) |
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#---------------------------------------- |
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# Gperf 3.1 started generating functions with size_t rather than unsigned int |
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AC_MSG_CHECKING([for the type used in gperf declarations]) |
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echo "#include <string.h>" > conftest.gperf.c |
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echo "const char * in_word_set(const char *, GPERF_LEN_TYPE);" >> conftest.gperf.c |
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echo foo,bar | ${GPERF} -L ANSI-C >> conftest.gperf.c |
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AS_IF([${CC} -c -o /dev/null conftest.gperf.c -DGPERF_LEN_TYPE='size_t' >/dev/null 2>&1], |
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[AC_MSG_RESULT([size_t]) |
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GPERF_LEN_TYPE='size_t'], |
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[${CC} -c -o /dev/null conftest.gperf.c -DGPERF_LEN_TYPE='unsigned int' >/dev/null 2>&1], |
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[AC_MSG_RESULT([unsigned int]) |
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GPERF_LEN_TYPE='unsigned int'], |
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[AC_MSG_ERROR([unable to determine gperf len type])]) |
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rm -f conftest.gperf.c |
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AC_SUBST([GPERF_LEN_TYPE]) |
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CTNG_PROG_GPERF |
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#-------------------------------------------------------------------- |
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# Boring again... But still a bit of work to do... |
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#-------------------------------------------------------------------- |
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AC_SUBST([kconfig_options]) |
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#---------------------------------------- |
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AC_CHECK_PROGS([cvs], [cvs]) |
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ACX_SET_KCONFIG_OPTION([cvs]) |
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CTNG_SET_KCONFIG_OPTION([cvs]) |
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#---------------------------------------- |
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AC_CHECK_PROGS([svn], [svn]) |
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ACX_SET_KCONFIG_OPTION([svn]) |
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CTNG_SET_KCONFIG_OPTION([svn]) |
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AC_CHECK_PROGS([git], [git]) |
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ACX_SET_KCONFIG_OPTION([git]) |
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CTNG_SET_KCONFIG_OPTION([git]) |
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AC_CHECK_PROGS([DPKG_BUILDFLAGS], [dpkg-buildflags]) |
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#-------------------------------------------------------------------- |
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# Now, for some fun... |
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#-------------------------------------------------------------------- |
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# FIXME why checking if not using the result? We don't provide replacemant malloc/alloca/... |
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AC_C_INLINE |
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AC_HEADER_STDC |
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AC_FUNC_MALLOC |
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@ -417,7 +267,6 @@ AC_SEARCH_LIBS(bindtextdomain, intl, [test "$ac_res" = "none required" || INTL_L
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LIBS=$SAVE_LIBS |
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AC_SUBST([INTL_LIBS]) |
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#---------------------------------------- |
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# Check for ncurses, for the kconfig frontends |
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AC_SUBST([ac_ct_curses_hdr]) |
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AC_CHECK_HEADERS( |
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@ -437,9 +286,6 @@ AC_SEARCH_LIBS(
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[tgetent], |
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[termcap tinfo ncursesw ncurses curses]) |
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#-------------------------------------------------------------------- |
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# Lastly, take care of crosstool-NG internal values |
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#-------------------------------------------------------------------- |
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# Hey! We need the date! :-) |
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DATE_FMT="%Y%m%d" |
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if test "x$SOURCE_DATE_EPOCH" = "x"; then |
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@ -449,23 +295,10 @@ else
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fi |
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AC_SUBST([DATE]) |
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# Decorate the version string if needed |
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# Decorate the version string per user-supplied version.sh, if any |
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AS_IF( |
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[test -f version.sh -a -x version.sh], |
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[V=$(./version.sh "${PACKAGE_VERSION}")]) |
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AS_IF( |
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[test -n "${V}"], |
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[PACKAGE_VERSION="${V}"], |
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[AS_CASE( |
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[${PACKAGE_VERSION}], |
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[git|*+git], |
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[rev_id="$( git rev-parse --short HEAD )" |
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git diff-index --quiet HEAD || rev_id="${rev_id}-dirty" |
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PACKAGE_VERSION="${PACKAGE_VERSION}+${rev_id:-unknown-$( date +%Y%m%d.%H%M%S )}" |
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])]) |
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# Arrange to have no / in the directory name, no need to create an |
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# arbitrarily deep directory structure |
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[PACKAGE_VERSION="$( printf "${PACKAGE_VERSION}\n" |"${SED}" -r -e 's:/+:_:g;' )"] |
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[PACKAGE_VERSION=$(./version.sh "${PACKAGE_VERSION}")]) |
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# Handle the local case |
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AC_SUBST([sublibdir]) |
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@ -485,8 +318,10 @@ AS_IF(
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[sublibdir="/\${VERSION}" |
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subdocdir="/\${VERSION}"]) |
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#-------------------------------------------------------------------- |
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# Finally, generate the output file(s) |
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#-------------------------------------------------------------------- |
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AC_CONFIG_FILES([Makefile kconfig/Makefile config/configure.in]) |
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AC_CONFIG_FILES([ |
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Makefile |
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kconfig/Makefile |
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config/configure.in |
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]) |
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AC_OUTPUT |
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Alexey Neyman
5 years ago