yann@2834: #                                               -*- Autoconf -*-
yann@2834: # Process this file with autoconf to produce a configure script.
yann@2834: 
yann@2834: AC_PREREQ([2.67])
yann@2834: #AC_INIT([crosstool-NG], [hg], [crossgcc@sourceware.org])
yann@2834: AC_INIT([crosstool-NG], [m4_esyscmd_s([cat .version])], [crossgcc@sourceware.org])
yann@2834: AC_CONFIG_AUX_DIR([scripts])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # A few helper macros
yann@2834: 
yann@2834: # Check for required tool
yann@2834: AC_DEFUN(
yann@2834:     [ACX_CHECK_TOOL_REQ],
yann@2834:     [AC_CHECK_TOOLS([$1], [$2])
yann@2834:      AS_IF(
yann@2834:         [test -z "$$1"],
yann@2834:         [AC_MSG_ERROR([missing required tool: $2])])
yann@2834:     ])
yann@2834: 
yann@2834: # Check for required tool, set variable to full pathname
yann@2834: AC_DEFUN(
yann@2834:     [ACX_PATH_TOOL_REQ],
yann@2834:     [ACX_CHECK_TOOL_REQ([$1], [$2])
yann@2834:      AS_CASE(
yann@2834:         [$$1],
yann@2834:         [/*],,
yann@2834:         [?*],[AC_MSG_CHECKING([for absolute path to $$1])
yann@2834:               $1=$(which $$1)
yann@2834:               AC_MSG_RESULT([$$1])])])
yann@2834: 
yann@2834: # Check for required program
yann@2834: AC_DEFUN(
yann@2834:     [ACX_CHECK_PROGS_REQ],
yann@2834:     [AC_CHECK_PROGS([$1], [$2])
yann@2834:      AS_IF(
yann@2834:         [test -z "$$1"],
yann@2834:         [AC_MSG_ERROR([missing required tool: $2])])
yann@2834:     ])
yann@2834: 
yann@2834: # Check for path to required program
yann@2834: AC_DEFUN(
yann@2834:     [ACX_PATH_PROGS_REQ],
yann@2834:     [AC_PATH_PROGS([$1], [$2])
yann@2834:      AS_IF(
yann@2834:         [test -z "$$1"],
yann@2834:         [AC_MSG_ERROR([missing required tool: $2])])
yann@2834:     ])
yann@2834: 
yann@2834: # Set the kconfig option
yann@2834: AC_DEFUN(
yann@2834:     [ACX_SET_KCONFIG_OPTION],
yann@2834:     [AS_IF(
yann@2834:         [test -n "$$1"],
yann@2840:         [kconfig_options="$kconfig_options has_$1=y"],
yann@2840:         [kconfig_options="$kconfig_options has_$1"])
yann@2834:     ])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # Allow dummy --{en,dis}able-{static,shared}
yann@2834: AC_ARG_ENABLE(
yann@2834:     [local],
yann@2834:     [AS_HELP_STRING(
yann@2834:         [--enable-local],
yann@3280:         [do not install, and use current directory])])
yann@2834: AC_SUBST([enable_local], [${enable_local:-no}])
yann@2834: AC_ARG_ENABLE(
yann@2834:     [shared],
yann@2834:     [AS_HELP_STRING(
yann@2834:         [--enable-shared],
yann@2834:         [build shared libraries (default=yes) (ignored)])])
yann@2834: AC_ARG_ENABLE(
yann@2834:     [static],
yann@2834:     [AS_HELP_STRING(
yann@2834:         [--enable-static],
yann@2834:         [build static libraries (default=yes) (ignored)])])
yann@2834: 
yann@2834: #---------------------------------------------------------------------
yann@2834: # Check for --build and --host...
yann@2834: AC_CANONICAL_BUILD
yann@2834: AC_CANONICAL_HOST
yann@2834: # ... but refuse --target
yann@2834: AS_IF([test -n "$target_alias"],
yann@2834:       AC_MSG_ERROR([--target is not allowed]))
yann@2834: 
yann@2834: # Allow program name tranformation (--program-{prefix,suffix,transform-name})
yann@2834: AC_ARG_PROGRAM
yann@2834: 
yann@2834: #---------------------------------------------------------------------
yann@2834: # Initial checks that are usually done first (I don't know why, that's
yann@2834: # just what I seem to experience...)
yann@2834: #---------------------------------------------------------------------
yann@3001: AC_ARG_WITH([install],
yann@3001:     AS_HELP_STRING([--with-install=PATH],
yann@3001:                    [Specify the full PATH to a BSD-compatible install]),
yann@3001:     [INSTALL=$withval])
yann@2834: AC_PROG_INSTALL
yann@2839: AC_PROG_GREP
yann@2834: AC_PROG_EGREP
yann@2839: AS_IF(
yann@2839:     [test ! "$EGREP" = "$GREP -E"],
yann@2839:     [AC_MSG_ERROR([egrep is not $GREP -E])])
yann@2834: AC_CACHE_VAL([ac_cv_path_SED],
yann@2834:     [AC_ARG_WITH([sed],
yann@2834:         AS_HELP_STRING([--with-sed=PATH],
yann@2999:                        [Specify the full PATH to GNU sed]),
yann@2834:         [ac_cv_path_SED=$withval])])
yann@2834: AC_PROG_SED
yann@2834: AC_MSG_CHECKING([whether sed understands -r -i -e])
yann@2834: touch .ct-ng.sed.test
yann@2834: if ${SED} -r -i -e 's/foo/bar/' .ct-ng.sed.test >/dev/null 2>&1; then
yann@2834:     rm -f .ct-ng.sed.test
yann@2834:     AC_MSG_RESULT([yes])
yann@2834: else
yann@2834:     rm -f .ct-ng.sed.test
yann@2834:     AC_MSG_RESULT([no])
yann@2834:     AC_MSG_ERROR()
yann@2834: fi
yann@2834: AC_PROG_LN_S
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # A bunch of boring tests...
yann@2834: #--------------------------------------------------------------------
yann@2834: AC_PROG_CC
yann@2834: AS_IF([test -z "$CC"],
yann@2834:       [AC_MSG_ERROR([no suitable compiler found])])
yann@2834: AC_PROG_CPP
yann@3000: 
yann@3000: # But we still need a way to specify the PATH to GNU versions (Damn MacOS)
yann@3000: AC_ARG_WITH([objcopy],
yann@3000:     AS_HELP_STRING([--with-objcopy=PATH],
yann@3000:                    [Specify the full PATH to GNU objcopy]),
yann@3000:     [OBJCOPY=$withval])
yann@3000: AC_ARG_WITH([objdump],
yann@3000:     AS_HELP_STRING([--with-objdump=PATH],
yann@3000:                    [Specify the full PATH to GNU objdump]),
yann@3000:     [OBJDUMP=$withval])
yann@3000: AC_ARG_WITH([ranlib],
yann@3000:     AS_HELP_STRING([--with-ranlib=PATH],
yann@3000:                    [Specify the full PATH to GNU ranlib]),
yann@3000:     [RANLIB=$withval])
yann@3000: AC_ARG_WITH([readelf],
yann@3000:     AS_HELP_STRING([--with-readelf=PATH],
yann@3000:                    [Specify the full PATH to GNU readelf]),
yann@3000:     [READELF=$withval])
mingw@3231: AC_ARG_WITH([gperf],
mingw@3231:     AS_HELP_STRING([--with-gperf=PATH],
mingw@3231:                    [Specify the full PATH to GNU gperf]),
mingw@3231:     [GPERF=$withval])
yann@3000: 
yann@2834: AC_PROG_RANLIB
yann@3298: ACX_PATH_TOOL_REQ([OBJCOPY], [gobjcopy objcopy])
yann@3298: ACX_PATH_TOOL_REQ([OBJDUMP], [gobjdump objdump])
yann@3298: ACX_PATH_TOOL_REQ([READELF], [greadelf readelf])
mingw@3231: ACX_PATH_TOOL_REQ([GPERF], [gperf])
yann@2834: 
yann@2834: ACX_CHECK_PROGS_REQ([bison], [bison])
yann@2834: ACX_CHECK_PROGS_REQ([flex], [flex])
yann@2834: ACX_CHECK_PROGS_REQ([makeinfo], [makeinfo])
yann@2834: ACX_CHECK_PROGS_REQ([cut], [cut])
yann@2834: ACX_CHECK_PROGS_REQ([stat], [stat])
yann@2834: ACX_CHECK_PROGS_REQ([readlink], [readlink])
yann@2961: ACX_CHECK_PROGS_REQ([wget], [wget])
yann@2834: ACX_CHECK_PROGS_REQ([tar], [tar])
yann@2834: ACX_CHECK_PROGS_REQ([gzip], [gzip])
yann@2834: ACX_CHECK_PROGS_REQ([bzip2], [bzip2])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # Still boring, but remember the path, now...
yann@2834: #--------------------------------------------------------------------
yann@2834: ACX_PATH_PROGS_REQ([PATCH], [patch])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # And a bunch of less boring tests...
yann@2834: #--------------------------------------------------------------------
yann@2834: # We need a bash that is >= 3.1
yann@2834: AC_CACHE_VAL([ac_cv_path__BASH],
yann@2834:     [AC_ARG_WITH([bash],
yann@2834:         AS_HELP_STRING([--with-bash=PATH],
yann@2999:                        [Specify the full PATH to GNU bash >= 3.1]),
yann@2834:         [ac_cv_path__BASH=$withval])])
yann@2834: AC_CACHE_CHECK([for bash >= 3.1], [ac_cv_path__BASH],
yann@2834:     [AC_PATH_PROGS_FEATURE_CHECK([_BASH], [bash],
yann@2834:         [[_BASH_ver=$($ac_path__BASH --version 2>&1 \
yann@2834:                      |$EGREP '^GNU bash, version (3\.[1-9]|4)')
yann@2834:           test -n "$_BASH_ver" && ac_cv_path__BASH=$ac_path__BASH ac_path__BASH_found=:]],
yann@2834:         [AC_MSG_RESULT([no])
yann@2834:          AC_MSG_ERROR([could not find bash >= 3.1])])])
yann@2834: AC_SUBST([_BASH], [$ac_cv_path__BASH])
yann@2834: 
yann@2999: # We need a awk that *is* GNU awk
yann@2999: AC_CACHE_VAL([ac_cv_path__AWK],
yann@2999:     [AC_ARG_WITH([awk],
yann@2999:         AS_HELP_STRING([--with-awk=PATH],
yann@2999:                        [Specify the full PATH to GNU awk]),
yann@2999:         [ac_cv_path__AWK=$withval])])
yann@2999: AC_CACHE_CHECK([for GNU awk], [ac_cv_path__AWK],
yann@3297:     [AC_PATH_PROGS_FEATURE_CHECK([_AWK], [gawk awk],
yann@2999:         [[_AWK_ver=$($ac_path__AWK --version 2>&1 \
yann@2999:                      |$EGREP '^GNU Awk ')
yann@2999:           test -n "$_AWK_ver" && ac_cv_path__AWK=$ac_path__AWK ac_path__AWK_found=:]],
yann@2999:         [AC_MSG_RESULT([no])
yann@2999:          AC_MSG_ERROR([could not find GNU awk])])])
yann@2999: AC_SUBST([_AWK], [$ac_cv_path__AWK])
yann@2999: 
yann@2834: #----------------------------------------
yann@2834: # Check for GNU make 3.80 or above
yann@2834: AC_CACHE_VAL([ac_cv_path_MAKE],
yann@2834:     [AC_ARG_WITH([make],
yann@2834:         AS_HELP_STRING([--with-make=PATH],
yann@2834:                        [Specify the full PATH to GNU make >= 3.80]),
yann@2834:         [ac_cv_path_MAKE=$withval])])
yann@2834: AC_CACHE_CHECK([for GNU make >= 3.80], [ac_cv_path_MAKE],
yann@3297:     [AC_PATH_PROGS_FEATURE_CHECK([MAKE], [gmake make],
yann@2834:         [[MAKE_ver=$($ac_path_MAKE --version 2>&1 \
yann@2834:                      |$EGREP '^GNU Make (3.[89][[:digit:]]|[4-9])')
yann@2834:           test -n "$MAKE_ver" && ac_cv_path_MAKE=$ac_path_MAKE ac_path_MAKE_found=:]],
yann@2834:         [AC_MSG_RESULT([no])
yann@2834:          AC_MSG_ERROR([could not find GNU make >= 3.80])])])
yann@2834: AC_SUBST([MAKE], [$ac_cv_path_MAKE])
yann@2834: AC_PROG_MAKE_SET
yann@2834: 
mingw@3292: # Check for GNU make 3.81 exactly, otherwise
mingw@3292: # it will be built as a companion tool.
mingw@3292: AC_MSG_CHECKING([for make 3.81])
mingw@3292: AS_IF(
mingw@3292:       [test "$MAKE_ver" = "GNU Make 3.81"],
mingw@3292:       [make381="y"
mingw@3292:        AC_MSG_RESULT([yes])
mingw@3292:       ],
mingw@3292:       [make381=
mingw@3292:        AC_MSG_RESULT([no])
mingw@3292:       ]
mingw@3292:      )
mingw@3292: ACX_SET_KCONFIG_OPTION([make381])
mingw@3292: 
yann@2834: #----------------------------------------
yann@2834: # Check for libtool >= 1.5.26
yann@2834: AC_CACHE_VAL([ac_cv_path_LIBTOOL],
yann@2834:     [AC_ARG_WITH([libtool],
yann@2834:         AS_HELP_STRING([--with-libtool=PATH],
yann@2834:                        [Specify the full PATH to GNU libtool >= 1.5.26]),
yann@2834:         [ac_cv_path_LIBTOOL=$withval])])
yann@2834: AC_CACHE_CHECK([for GNU libtool >= 1.5.26], [ac_cv_path_LIBTOOL],
andreas@3296:     [AC_PATH_PROGS_FEATURE_CHECK([LIBTOOL], [glibtool libtool],
yann@2834:         [[LIBTOOL_ver=$($ac_path_LIBTOOL --version 2>&1 \
yann@2834:                         |$EGREP '\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)')
yann@2834:           test -n "$LIBTOOL_ver" && ac_cv_path_LIBTOOL=$ac_path_LIBTOOL ac_path_LIBTOOL_found=:]],
yann@2834:         [AC_MSG_RESULT([no])
yann@2834:          AC_MSG_ERROR([could not find GNU libtool >= 1.5.26])])])
yann@2834: AC_SUBST([LIBTOOL], [$ac_cv_path_LIBTOOL])
yann@2834: 
yann@2834: #----------------------------------------
yann@2834: # Check for libtoolize >= 1.5.26
yann@2834: AC_CACHE_VAL([ac_cv_path_LIBTOOLIZE],
yann@2834:     [AC_ARG_WITH([libtoolize],
yann@2834:         AS_HELP_STRING([--with-libtoolize=PATH],
yann@2834:                        [Specify the full PATH to GNU libtoolize >= 1.5.26]),
yann@2834:         [ac_cv_path_LIBTOOLIZE=$withval])])
yann@2834: AC_CACHE_CHECK([for GNU libtoolize >= 1.5.26], [ac_cv_path_LIBTOOLIZE],
andreas@3296:     [AC_PATH_PROGS_FEATURE_CHECK([LIBTOOLIZE], [glibtoolize libtoolize],
yann@2834:         [[LIBTOOLIZE_ver=$($ac_path_LIBTOOLIZE --version 2>&1 \
yann@2834:                         |$EGREP '\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)')
yann@2834:           test -n "$LIBTOOLIZE_ver" && ac_cv_path_LIBTOOLIZE=$ac_path_LIBTOOLIZE ac_path_LIBTOOLIZE_found=:]],
yann@2834:         [AC_MSG_RESULT([no])
yann@2834:          AC_MSG_ERROR([could not find GNU libtoolize >= 1.5.26])])])
yann@2834: AC_SUBST([LIBTOOLIZE], [$ac_cv_path_LIBTOOLIZE])
yann@2834: 
yann@2834: #----------------------------------------
yann@2834: # Check for automake >= 1.10
yann@2834: AC_CACHE_VAL([ac_cv_path_automake],
yann@2834:     [AC_ARG_WITH([automake],
yann@2834:         AS_HELP_STRING([--with-automake=PATH],
yann@2834:                        [Specify the full PATH to GNU automake >= 1.10]),
yann@2834:         [ac_cv_path_automake=$withval])])
yann@2834: AC_CACHE_CHECK([for GNU automake >= 1.10], [ac_cv_path_automake],
yann@2834:     [AC_PATH_PROGS_FEATURE_CHECK([automake], [automake],
yann@2834:         [[automake_ver=$($ac_path_automake --version 2>&1 \
yann@2834:                          |$EGREP '\(GNU automake\) (1\.[[:digit:]]{2,}|[2-9][[:digit:]]*\.)')
yann@2834:           test -n "$automake_ver" && ac_cv_path_automake=$ac_path_automake ac_path_automake_found=:]],
yann@2834:         [AC_MSG_RESULT([no])
yann@2834:          AC_MSG_ERROR([could not find GNU automake >= 1.10])])])
yann@2834: AC_SUBST([automake], [$ac_cv_path_automake])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # Boring again... But still a bit of work to do...
yann@2834: #--------------------------------------------------------------------
yann@2834: AC_SUBST([kconfig_options])
yann@2834: 
yann@2834: #----------------------------------------
yann@2834: AC_CHECK_PROGS([xz],   [xz])
yann@2834: ACX_SET_KCONFIG_OPTION([xz])
yann@2834: AS_IF(
yann@2834:     [test -z "$xz"],
yann@2834:     [AC_CHECK_PROGS([lzma], [lzma])])
yann@2834: ACX_SET_KCONFIG_OPTION([lzma])
yann@2834: 
yann@2834: #----------------------------------------
yann@2834: AC_CHECK_PROGS([cvs], [cvs])
yann@2834: ACX_SET_KCONFIG_OPTION([cvs])
yann@2834: 
yann@2834: #----------------------------------------
yann@2834: AC_CHECK_PROGS([svn], [svn])
yann@2834: ACX_SET_KCONFIG_OPTION([svn])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # Now, for some fun...
yann@2834: #--------------------------------------------------------------------
yann@2834: AC_C_INLINE
yann@2834: AC_HEADER_STDC
yann@2834: AC_FUNC_MALLOC
yann@2834: AC_FUNC_REALLOC
yann@2834: AC_FUNC_ALLOCA
yann@2835: 
yann@2835: #----------------------------------------
yann@2835: # Check for gettext, for the kconfig frontends
yann@2835: AC_SUBST([gettext])
yann@2835: AC_CHECK_HEADERS(
yann@2835:     [libintl.h],
yann@2835:     [ac_ct_gettext_hdr=$ac_header; break])
yann@2835: AS_IF(
yann@2835:     [test -n "$ac_ct_gettext_hdr"],
yann@2835:     [AC_CHECK_DECL(
yann@2966:         [gettext],
yann@2966:         [gettext=y],,
yann@2966:         [AC_INCLUDES_DEFAULT()
yann@2966:          #include <$ac_ct_gettext_hdr>])])
yann@2835: 
yann@2835: #----------------------------------------
yann@2835: # Check for ncurses, for the kconfig frontends
yann@2835: AC_SUBST([ac_ct_curses_hdr])
yann@2834: AC_CHECK_HEADERS(
yann@2834:     [ncurses/ncurses.h ncurses/curses.h ncursesw/curses.h ncurses.h curses.h],
yann@2835:     [ac_ct_curses_hdr=$ac_header; break])
yann@2834: AS_IF(
yann@2835:     [test -z "$ac_ct_curses_hdr"],
yann@2834:     [AC_MSG_ERROR([could not find curses header, required for the kconfig frontends])])
yann@2834: AC_SEARCH_LIBS(
yann@2834:     [initscr],
yann@2834:     [ncursesw ncurses curses],
yann@2834:     [ac_ct_curses_lib_found=yes; break])
yann@2834: AS_IF(
yann@2834:     [test -z "$ac_ct_curses_lib_found"],
yann@2834:     [AC_MSG_ERROR([could not find curses library, required for the kconfig frontends])])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # Lastly, take care of crosstool-NG internal values
yann@2834: #--------------------------------------------------------------------
yann@2834: # Hey! We need the date! :-)
yann@2834: AC_SUBST(
yann@2834:     [DATE],
yann@2834:     [$(date +%Y%m%d)])
yann@2834: 
yann@2834: # Decorate the version string if needed
yann@2834: AS_IF(
yann@2834:     [test -f version.sh -a -x version.sh],
yann@2834:     [V=$(./version.sh "${PACKAGE_VERSION}")])
yann@2834: AS_IF(
yann@2834:     [test -n "${V}"],
yann@2834:     [PACKAGE_VERSION="${V}"],
yann@2834:     [AS_CASE(
yann@2834:         [${PACKAGE_VERSION}],
yann@2834:         [hg|*+hg],
yann@2834:         [rev_id="$( hg log -r . --template '{branch}-{node|short}\n' \
yann@2834:                            2>/dev/null                               \
yann@2834:                     || true                                          )"
benoit@2860:          PACKAGE_VERSION="${PACKAGE_VERSION}+${rev_id:-unknown-$( date +%Y%m%d.%H%M%S )}"
yann@2834:         ])])
yann@2834: # Arrange to have no / in the directory name, no need to create an
yann@2834: # arbitrarily deep directory structure
yann@2834: [PACKAGE_VERSION="$( printf "${PACKAGE_VERSION}\n" |"${SED}" -r -e 's:/+:_:g;' )"]
yann@2834: 
yann@2834: # Handle the local case
yann@2834: AC_SUBST([sublibdir])
yann@2834: AC_SUBST([subdocdir])
yann@2834: AS_IF(
yann@2834:     [test "x$enable_local" = "xyes"],
yann@2834:     [AC_MSG_NOTICE([overiding all of --prefix and the likes, because --enable-local was set])
yann@2834:      prefix=$(pwd)
yann@2834:      exec_prefix="$prefix"
yann@2834:      bindir="$prefix"
yann@2834:      libdir="$prefix"
yann@2834:      sublibdir=""
yann@2834:      docdir="$prefix""/docs"
yann@2834:      subdocdir=""
yann@2834:      datarootdir="$prefix"
yann@2834:      mandir="$docdir"],
yann@2834:     [sublibdir="/ct-ng.\${VERSION}"
yann@2834:      subdocdir="/ct-ng.\${VERSION}"])
yann@2834: 
yann@2834: #--------------------------------------------------------------------
yann@2834: # Finally, generate the output file(s)
yann@2834: #--------------------------------------------------------------------
yann@2834: AC_CONFIG_FILES([Makefile])
yann@2834: AC_OUTPUT