mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-21 21:57:48 +00:00
a3e3d734a7
Make the requirement for bison harder (but not strict). The system bison will be used to build kconf. If the system bison is not GNU bison 2.7 or later crosstool-ng will build GNU bison as a companion tool if necessary (for glibc 2.29 or newer). Fixes #1621 Signed-off-by: Chris Packham <judge.packham@gmail.com>
373 lines
11 KiB
Plaintext
373 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([2.67])
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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 $GREP -E])])
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CTNG_PROG_VERSION_REQ_STRICT([SED],
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[GNU sed >= 4.0],
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[sed],
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[gsed sed],
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[GNU sed[^0-9]* [4-9]\.])
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AC_ARG_VAR([SED], [Specify the full path to GNU sed])
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AC_CONFIG_HEADERS([config.h])
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# Modern GCC/GDB releases require C++ support in the compiler
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AC_PROG_CC
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# Add for legacy reasons (automake < 1.14)
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AM_PROG_CC_C_O
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AC_PROG_CXX
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AC_PROG_CPP
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AC_PROG_LEX
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AC_PROG_YACC
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AS_IF([test -z "$CC" -o -z "$CXX"],
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[AC_MSG_ERROR([no suitable compiler found])])
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AX_CXX_COMPILE_STDCXX([11],, [optional])
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CTNG_SET_KCONFIG_OPTION([has_cxx11], [${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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AC_CHECK_PROGS([rsync], [rsync])
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CTNG_SET_KCONFIG_OPTION([rsync])
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AC_SUBST([rsync])
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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 >= 3.1
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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|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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# 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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CTNG_PROG_VERSION([PYTHON],
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[Python],
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[python],
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[python37 python3.7 python36 python3.6 python35 python3.5 python34 python3.4 python33 python3.3 python32 python3.2 python31 python3.1 python3 python27 python2.7 python26 python2.6 python2 python],
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[^Python [23]\.],
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[python])
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CTNG_PROG_VERSION([PYTHON],
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[Python >= 3.4],
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[python],
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[python37 python3.7 python36 python3.6 python35 python3.5 python34 python3.4 python3 python],
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[^Python 3\.([4-9]|[1-9][0-9]+)\.],
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[python_3_4_or_newer])
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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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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_HEADER_STDC
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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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