mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-18 12:36:23 +00:00
374 lines
11 KiB
Plaintext
374 lines
11 KiB
Plaintext
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ([2.69])
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AC_INIT(
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[crosstool-NG],
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[m4_esyscmd_s([maintainer/git-version-gen --prefix crosstool-ng- .tarball-version])],
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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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AC_CONFIG_MACRO_DIR([m4])
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# FIXME try to use gnu strictness? Just add the missing files?
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# Set automake defaults:
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# - Tarballs are compressed with xz and bzip2
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# - Object files are generated in a subdirectory (new default in automake)
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# - Request new tar format (old, tar-v7, breaks on long paths we have)
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AM_INIT_AUTOMAKE([-Wall -Werror foreign no-dist-gzip dist-xz dist-bzip2 subdir-objects tar-pax])
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AM_SILENT_RULES([yes])
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# To avoid stubbing autotools with missing script
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AM_MAINTAINER_MODE([enable])
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# Safety check per autoconf best practices
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AC_CONFIG_SRCDIR([ct-ng.in])
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#--------------------------------------------------------------------
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# Allow dummy --{en,dis}able-{static,shared}
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AC_ARG_ENABLE([local],
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[AS_HELP_STRING([--enable-local],
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[run ct-ng from the current directory; 'make install' unsupported])])
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AC_SUBST([enable_local], [${enable_local:-no}])
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AC_ARG_ENABLE([maintainer-mode],
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[AS_HELP_STRING([--enable-maintainer-mode],
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[Ignored; accepted to avoid a warning from debuild])])
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AC_ARG_WITH([bash-completion],
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[AS_HELP_STRING([--with-bash-completion],
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[install bash(1) command completion; can specify a path where it will be installed])],
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[],
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[with_bash_completion=yes])
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AS_IF([test "${with_bash_completion}" = "no"],
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[BASH_COMPLETION_DIR=],
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[test "${with_bash_completion}" != "yes"],
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[BASH_COMPLETION_DIR="${with_bash_completion}"],
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[BASH_COMPLETION_DIR='${datadir}/bash-completion/completions'])
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AM_CONDITIONAL([INSTALL_BASH_COMPLETION], [test -n "${BASH_COMPLETION_DIR}"])
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AC_SUBST([BASH_COMPLETION_DIR])
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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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# ... but refuse --target
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AS_IF([test -n "$target_alias"],
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AC_MSG_ERROR([--target is not allowed]))
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# Allow program name tranformation (--program-{prefix,suffix,transform-name})
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AC_ARG_PROGRAM
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AC_PROG_MKDIR_P
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AC_PROG_LN_S
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CTNG_PROG_INSTALL
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CTNG_WITH_DEPRECATED([grep], [GREP])
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AC_ARG_VAR([GREP], [Specify the full path to GNU grep])
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# This is not a typo! Prefer GNU grep on macOS if it is installed.
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CTNG_PATH_TOOL_REQ([GREP], [ggrep grep], [grep])
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CTNG_PATH_TOOL_REQ([EGREP], [gegrep egrep], [egrep])
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AC_PROG_GREP
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AC_PROG_EGREP
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# FIXME: ct-ng assumes this in many places...
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AS_IF([test "$EGREP" != "$GREP -E"],
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[AC_MSG_ERROR([egrep is not $GREP -E])])
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CTNG_PROG_VERSION_REQ_STRICT([SED],
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[GNU sed >= 4.0],
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[sed],
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[gsed sed],
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[GNU sed[^0-9]* [4-9]\.])
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AC_ARG_VAR([SED], [Specify the full path to GNU sed])
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AC_CONFIG_HEADERS([config.h])
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# Modern GCC/GDB releases require C++ support in the compiler
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AC_PROG_CC
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# Add for legacy reasons (automake < 1.14)
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AM_PROG_CC_C_O
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AC_PROG_CXX
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AC_PROG_CPP
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AC_PROG_LEX([noyywrap])
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AX_PROG_BISON
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AS_IF([test -z "$CC" -o -z "$CXX"],
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[AC_MSG_ERROR([no suitable compiler found])])
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AX_CXX_COMPILE_STDCXX([11],, [optional])
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CTNG_SET_KCONFIG_OPTION([has_cxx11], [${HAVE_CXX11}])
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# Check to see if the compiler can link statically
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AC_MSG_CHECKING([if $CC can static link])
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echo "int main() {}" | ${CC} -static -o /dev/null -xc - > /dev/null 2>&1
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static_test=$?
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AS_IF([test $static_test -eq 0],
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[static_link=y
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AC_MSG_RESULT([yes])],
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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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CTNG_SET_KCONFIG_OPTION([static_link])
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AC_PROG_RANLIB
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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_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([unzip], [unzip])
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CTNG_CHECK_PROGS_REQ([help2man], [help2man])
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CTNG_CHECK_PROGS_REQ([file], [file])
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CTNG_CHECK_PROGS_REQ([which], [which])
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# Lzip is optional; all the packages that provide tarballs in .tar.lz format
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# also provide them in some other format. All other formats are currently
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# mandatory as there is at least one package that has no fallback for each
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# of them.
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# FIXME: this configure.ac should be only used for detecting the dependencies
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# of the ct-ng framework itself; anything needed at build time should be
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# determined by crosstool-NG.sh - perhaps, through another 'configure' that
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# runs during `ct-ng build`.
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AC_CHECK_PROGS([lzip], [lzip])
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CTNG_SET_KCONFIG_OPTION([lzip])
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AC_SUBST([lzip])
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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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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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CTNG_SET_KCONFIG_OPTION([curl])
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AC_SUBST([curl])
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AC_CHECK_PROGS([meson], [meson])
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CTNG_SET_KCONFIG_OPTION([meson])
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AC_SUBST([meson])
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AC_CHECK_PROGS([ninja], [ninja])
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CTNG_SET_KCONFIG_OPTION([ninja])
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AC_SUBST([ninja])
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CTNG_CPU_COUNT
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CTNG_PATH_TOOL_REQ([PATCH], [gpatch patch], [patch])
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# Ensure the detected patch supports --no-backup-if-mismatch (BSD patch does not)
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AC_MSG_CHECKING([whether patch supports --no-backup-if-mismatch])
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AS_IF([$PATCH --no-backup-if-mismatch </dev/null >/dev/null 2>&1],
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AC_MSG_RESULT([yes]),
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AC_MSG_ERROR([$PATCH does not support --no-backup-if-mismatch]))
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# We need a bash that is >= 4.0
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CTNG_PROG_VERSION_REQ_STRICT([BASH_SHELL],
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[GNU bash >= 4.0],
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[bash],
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[bash],
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[^GNU bash, version (4|5)])
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# We need a awk that *is* GNU 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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[^GNU Awk ])
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# FIXME This checks for tools at the time configure runs. If a tool is later updated
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# to satisfy our version requirement, we still won't be able to see that. Or worse,
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# downgraded/removed. We should check this and update configure.in options right
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# before running kconfig. Our configure should only check for stuff needed to
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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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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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[^GNU Make (3\.8[1-9]|3\.9[0-9]|[4-9]\.)],
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[make_3_81_or_newer])
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CTNG_PROG_VERSION_REQ_ANY([MAKE],
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[GNU make >= 4.0],
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[make],
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[gmake make],
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[^GNU Make [4-9]\.],
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[make_4_0_or_newer])
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CTNG_PROG_VERSION_REQ_ANY([MAKE],
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[GNU make >= 4.4],
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[make],
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[gmake make],
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[^GNU Make (4\.[4-9]|[5-9]\.)],
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[make_4_4_or_newer])
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# Check other companion tools that we may or may not build.
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CTNG_PROG_VERSION_REQ_ANY([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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CTNG_PROG_VERSION_REQ_ANY([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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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_65_or_newer])
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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[5-9])],
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[autoreconf_2_65_or_newer])
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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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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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# Check for Python
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CTNG_PYTHON
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# Check for Python 3.4 or newer
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CTNG_PYTHON_VERSION([3],[4])
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CTNG_PROG_VERSION_REQ_ANY([BISON],
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[bison >= 2.7],
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[bison],
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[bison],
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[\(GNU Bison\) (2\.[7-9]|2\.[1-9][0-9]|[3-9]\.)],
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[bison_2_7_or_newer])
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CTNG_PROG_VERSION_REQ_ANY([BISON],
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[bison >= 3.0.4],
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[bison],
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[bison],
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[\(GNU Bison\) (3\.0\.[4-9]|3\.[1-9]|[4-9]\.)],
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[bison_3_0_4_or_newer])
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AC_SUBST([kconfig_options])
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AC_CHECK_PROGS([dtc], [dtc])
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CTNG_SET_KCONFIG_OPTION([dtc])
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AC_CHECK_PROGS([cvs], [cvs])
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CTNG_SET_KCONFIG_OPTION([cvs])
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AC_CHECK_PROGS([svn], [svn])
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CTNG_SET_KCONFIG_OPTION([svn])
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AC_CHECK_PROGS([git], [git])
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CTNG_SET_KCONFIG_OPTION([git])
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# Check which tools we have for verifying the digest
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AC_PATH_PROGS([md5sum], [gmd5sum md5sum])
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AC_PATH_PROGS([sha1sum], [gsha1sum sha1sum])
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AC_PATH_PROGS([sha256sum], [gsha256sum sha256sum])
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AC_PATH_PROGS([sha512sum], [gsha512sum sha512sum])
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CTNG_SET_KCONFIG_OPTION([md5sum])
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CTNG_SET_KCONFIG_OPTION([sha1sum])
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CTNG_SET_KCONFIG_OPTION([sha256sum])
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CTNG_SET_KCONFIG_OPTION([sha512sum])
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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_FUNC_MALLOC
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AC_FUNC_REALLOC
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AC_FUNC_ALLOCA
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AM_GNU_GETTEXT([external])
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AM_GNU_GETTEXT_VERSION([0.19.7])
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# For now, curses are needed to build kconfig. We may support a command-line
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# only configuration without curses later. For now, fail in configure but
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# consider it ok in config.h.
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AX_WITH_CURSES
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AS_IF([test "x$ax_cv_curses" != "xyes" ], [AC_MSG_ERROR([curses library not found])])
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AX_WITH_CURSES_PANEL
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AS_IF([test "x$ax_cv_panel" != "xyes" ], [AC_MSG_ERROR([panel library not found])])
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AX_WITH_CURSES_MENU
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AS_IF([test "x$ax_cv_menu" != "xyes" ], [AC_MSG_ERROR([menu library not found])])
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AH_BOTTOM([
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/* Select the correct curses/menu/panel headers */
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#if defined HAVE_NCURSESW_CURSES_H
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# define CURSES_LOC <ncursesw/curses.h>
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#elif defined HAVE_NCURSESW_H
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# define CURSES_LOC <ncursesw.h>
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#elif defined HAVE_NCURSES_CURSES_H
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# define CURSES_LOC <ncurses/curses.h>
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#elif defined HAVE_NCURSES_H
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# define CURSES_LOC <ncurses.h>
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#elif defined HAVE_CURSES_H
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# define CURSES_LOC <curses.h>
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#else
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# /* not an error - maybe a configuration didn't need curses */
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#endif
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#if defined HAVE_NCURSESW_PANEL_H
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# define PANEL_LOC <ncursesw/panel.h>
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#elif defined HAVE_NCURSES_PANEL_H
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# define PANEL_LOC <ncurses/panel.h>
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#elif defined HAVE_PANEL_H
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# define PANEL_LOC <panel.h>
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#else
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# /* not an error */
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#endif
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#if defined HAVE_NCURSESW_MENU_H
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# define MENU_LOC <ncursesw/menu.h>
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#elif defined HAVE_NCURSES_MENU_H
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# define MENU_LOC <ncurses/menu.h>
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#elif defined HAVE_MENU_H
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# define MENU_LOC <menu.h>
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#else
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# /* not an error */
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#endif
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])
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AX_BUILD_DATE_EPOCH(DATE, [%c])
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AC_SUBST([DATE])
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AM_CONDITIONAL([INSTALL_USER_MANUAL], [test ! -f "${srcdir}/docs/MANUAL_ONLINE"])
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AC_MSG_CHECKING([if the manual needs to be installed])
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AM_COND_IF([INSTALL_USER_MANUAL], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
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AC_CONFIG_FILES([
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Makefile
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paths.sh
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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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