/
configure.ac
219 lines (183 loc) · 7.61 KB
/
configure.ac
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# Written by Joachim Wiberg <troglobit@gmail.com> and put in the public domain.
AC_INIT([Mg], [3.7], [https://github.com/troglobit/mg/issues], [mg])
AC_CONFIG_AUX_DIR(build-aux)
AM_INIT_AUTOMAKE([1.11 foreign])
AM_SILENT_RULES([yes])
AC_CONFIG_SRCDIR([src/main.c])
AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile])
AC_PROG_CC
AC_PROG_INSTALL
AC_CHECK_HEADERS([pty.h utmp.h])
AC_CANONICAL_HOST
# Check build host, DragonFly BSD uses priv
case $host_os in
*dragonfly*)
LIBS="$LIBS -L/usr/lib/priv"
CPPFLAGS="$CPPFLAGS -I/usr/include/priv/ncurses"
;;
*netbsd*)
CPPFLAGS="$CPPFLAGS -D_OPENBSD_SOURCE"
;;
*solaris*)
LIBS="-lsocket -lnsl"
CPPFLAGS="-DBSD_COMP -D__EXTENSIONS__"
;;
*)
;;
esac
# Check for library functions
AC_CHECK_LIB([util], [fparseln])
AC_CHECK_LIB([util], [login_tty])
AC_CHECK_LIB([util], [openpty])
# Check for usually missing API's, which we can replace
AC_REPLACE_FUNCS([fparseln futimens login_tty openpty reallocarray strlcpy strlcat strtonum])
AC_CONFIG_LIBOBJ_DIR([lib])
# Check for configured features
AC_ARG_ENABLE(size-optimizations,
AS_HELP_STRING([--enable-size-optimizations], [Optimize for size, try real hard]))
AC_ARG_ENABLE(autoexec, AS_HELP_STRING([--disable-autoexec], [Disable auto-execute support]))
AC_ARG_ENABLE(cmode, AS_HELP_STRING([--disable-cmode], [Disable C-mode support]))
AC_ARG_ENABLE(compile, AS_HELP_STRING([--disable-compile], [Disable C compile & grep mode, used by C-mode]))
AC_ARG_ENABLE(cscope, AS_HELP_STRING([--disable-cscope], [Disable Cscope support]))
AC_ARG_ENABLE(ctags, AS_HELP_STRING([--disable-ctags], [Disable ctags(1) support, required by Cscope]))
AC_ARG_ENABLE(dired, AS_HELP_STRING([--disable-dired], [Disable directory editor]))
AC_ARG_ENABLE(regexp, AS_HELP_STRING([--disable-regexp], [Disable full regexp search]))
AC_ARG_ENABLE(togglenl, AS_HELP_STRING([--disable-togglenl], [Disable toggle-newline-prompt extension]))
AC_ARG_ENABLE(all, AS_HELP_STRING([--disable-all], [Disable all optional features]))
AC_ARG_WITH(startup,
AS_HELP_STRING([--with-startup=FILE], [If ~/.mg is missing, default: $sysconfdir/mg]),
[startup=$withval], [startup="$sysconfdir/mg"])
AC_ARG_WITH(mglog,
AS_HELP_STRING([--with-mglog], [Enable debugging to log file, default: ./log/*.log]),
[mglog=$withval], [mglog='no'])
AC_ARG_WITH(docs,
AS_HELP_STRING([--without-docs], [Skip installation of documenation & manual]),
[with_docs=$withval], [with_docs='yes'])
AC_ARG_WITH(curses,
AS_HELP_STRING([--without-curses], [Build without curses/termcap, default: auto]),
[with_curses=$withval], [with_curses='yes'])
AC_ARG_WITH(tutorial,
AS_HELP_STRING([--without-tutorial], [Skip installation of $datadir/mg/tutorial.gz]),
[with_tutorial=$withval], [with_tutorial='yes'])
# Check for a termcap compatible library
AS_IF([test "x$with_curses" = "xyes" -o "x$with_curses" = "xauto"], [
AC_CHECK_LIB(ncurses, tgoto, , [
AC_CHECK_LIB(curses, tgoto, , [
AC_CHECK_LIB(tinfo, tgoto, , [
AC_CHECK_LIB(termcap, tgoto,, [have_tcap=no])
])
])
])
])
AS_IF([test "x$with_curses" != "xno"], [
AS_IF([test "x$have_tcap" = "xno" ], [
with_curses="no"
curses_status="(not installed)"
AC_DEFINE([WITHOUT_CURSES], [1], [Fallback since termcap/curses are not installed])
], [
# A termcap lib with tgoto() exists, now check for term.h, not
# termcap.h, because reasons ... on Solaris we need to check for
# ncurses/curses.h first, because term.h is not standalone.
AC_CHECK_HEADERS([ncurses/curses.h],, [
AC_CHECK_HEADERS([term.h],, [
AC_MSG_ERROR([Cannot find term.h, install Ncurses, or build --without-curses])
])
])
])
], [
AC_DEFINE([WITHOUT_CURSES], [1], [Set when built without curses/ncurses])
])
# If all features are to be disabled, do that here
AS_IF([test "x$enable_all" = "xno"],
enable_autoexec="no"
enable_cmode="no"
enable_compile="no"
enable_cscope="no"
enable_ctags="no"
enable_dired="no"
enable_regexp="no"
enable_togglenl="no"
startup="no")
# Enable features
AS_IF([test "x$enable_size_optimizations" = "xyes"],
enable_tiny="yes"
tiny_help="(try upx for reducing size even more)"
CFLAGS="-g -Os"
AC_DEFINE(TINY, 1, [Enable extreme size optimizations]),
enable_tiny="no")
AS_IF([test "x$enable_autoexec" != "xno"], enable_autoexec="yes"
AC_DEFINE(ENABLE_AUTOEXEC, 1, [Enable auto-exec support]))
AS_IF([test "x$enable_cmode" != "xno"], enable_cmode="yes"
AC_DEFINE(ENABLE_CMODE, 1, [Enable C programming mode, OpenBSD KNF]))
AS_IF([test "x$enable_compile" != "xno"], enable_compile="yes"
AC_DEFINE(ENABLE_COMPILE_GREP, 1, [Enable C compile mode, M-x compile]))
AS_IF([test "x$enable_cscope" != "xno"], enable_cscope="yes"
enable_ctags="yes"
AC_DEFINE(CSCOPE, 1, [Enable Cscope programming tool]))
AS_IF([test "x$enable_ctags" != "xno"], enable_ctags="yes"
AC_DEFINE(ENABLE_CTAGS, 1, [Enable ctags(1) support]))
AS_IF([test "x$enable_dired" != "xno"], enable_dired="yes"
AC_DEFINE(ENABLE_DIRED, 1, [Enable dired, the directory editor]))
AS_IF([test "x$enable_regexp" != "xno"], enable_regexp="yes"
AC_DEFINE(REGEX, 1, [Enable regexp search support]))
AS_IF([test "x$enable_togglenl" != "xno"], enable_togglenl="yes"
AC_DEFINE(TOGGLENL, 1, [Enable toggle-newline-prompt support]))
AS_IF([test "x$startup" != "xno"],[
AS_IF([test "x$startup" = "xyes"],[
AC_MSG_ERROR([Must supply argument])])]
AC_DEFINE_UNQUOTED(STARTUPFILE, "$startup", [Init file to run if ~/.mg is missing]))
AS_IF([test "x$mglog" != "xno"],
AC_DEFINE_UNQUOTED(MGLOG, "$mglog", [Debug logging of mg internals]))
# Control build with automake flags
AM_CONDITIONAL(REGEX, [test "x$enable_regexp" = "xyes"])
AM_CONDITIONAL(AUTOEXEC, [test "x$enable_autoexec" = "xyes"])
AM_CONDITIONAL(CMODE, [test "x$enable_cmode" = "xyes"])
AM_CONDITIONAL(COMPILE, [test "x$enable_compile" = "xyes"])
AM_CONDITIONAL(CSCOPE, [test "x$enable_cscope" = "xyes"])
AM_CONDITIONAL(CTAGS, [test "x$enable_ctags" = "xyes"])
AM_CONDITIONAL(DIRED, [test "x$enable_dired" = "xyes"])
AM_CONDITIONAL(TINY, [test "x$enable_tiny" = "xyes"])
AM_CONDITIONAL(MGLOG, [test "x$mglog" != "xno"])
AM_CONDITIONAL(DOCS, [test "x$with_docs" != "xno"])
AM_CONDITIONAL(NOCURSES, [test "x$with_curses" = "xno"])
AM_CONDITIONAL(TUTOR, [test "x$with_tutorial" != "xno"])
# Generate all files
AC_OUTPUT
# Expand directories for configuration summary, unexpanded defaults:
# sysconfdir => ${prefix}/etc
# runstatedir => ${localstatedir}/run
AS_IF([test "x$prefix" = "x" ], [PREFIX="/"], [PREFIX=`eval echo $prefix`])
datadir=$datadir/mg
SYSCONFDIR=`eval echo $sysconfdir`
DATADIR=`eval echo $datadir`
DOCDIR=`eval echo $docdir`
STARTUP=`eval echo $startup`
cat <<EOF
------------------ Summary ------------------
$PACKAGE_NAME version $PACKAGE_VERSION
Prefix.........: $PREFIX
Sysconfdir.....: $SYSCONFDIR
Datadir........: $DATADIR
Docdir.........: $DOCDIR
Fallback ~/.mg.: $STARTUP
C Compiler.....: $CC $CFLAGS $CPPFLAGS $LDFLAGS $LIBS
Size optimize..: $enable_tiny $tiny_help
Termcap/curses.: $with_curses $curses_status
Optional features:
MGLOG..........: $with_mglog
doc/ & man/....: $with_docs
tutorial.gz....: $with_tutorial
autoexec.......: $enable_autoexec
cmode..........: $enable_cmode
compile mode...: $enable_compile
cscope.........: $enable_cscope
ctags..........: $enable_ctags
dired..........: $enable_dired
regexp.........: $enable_regexp
------------- Compiler version --------------
$($CC --version || true)
---------------------------------------------
Check the above options and compile with:
${MAKE-make}
EOF