AC_INIT(dash, 0.5.5.1) AM_INIT_AUTOMAKE([foreign]) AC_CONFIG_SRCDIR([src/main.c]) AC_CONFIG_HEADERS(config.h) dnl Checks for programs. AC_PROG_CC AC_GNU_SOURCE AC_PROG_YACC AC_MSG_CHECKING([for build system compiler]) if test "$cross_compiling" = yes; then CC_FOR_BUILD=${CC_FOR_BUILD-cc} else CC_FOR_BUILD=${CC} fi AC_MSG_RESULT(${CC_FOR_BUILD}) AC_SUBST(CC_FOR_BUILD) AC_MSG_CHECKING([for __attribute__((__alias__()))]) dash_cv_have_attribute_alias=no AC_LINK_IFELSE([AC_LANG_PROGRAM([void t() {} void a() __attribute__((__alias__("t")));], [a();])], [dash_cv_have_attribute_alias=yes]) AC_MSG_RESULT($dash_cv_have_attribute_alias) if test "x$dash_cv_have_attribute_alias" = xyes; then AC_DEFINE([HAVE_ALIAS_ATTRIBUTE], 1, [Define if __attribute__((__alias__())) is supported]) fi AC_ARG_ENABLE(static, AS_HELP_STRING(--enable-static, \ [Build statical linked program])) if test "$enable_static" = "yes"; then export LDFLAGS="-static -Wl,--fatal-warnings" fi AC_ARG_ENABLE(fnmatch, AS_HELP_STRING(--enable-fnmatch, \ [Use fnmatch(3) from libc])) AC_ARG_ENABLE(glob, AS_HELP_STRING(--enable-glob, [Use glob(3) from libc])) dnl Checks for libraries. dnl Checks for header files. AC_CHECK_HEADERS(alloca.h) dnl Checks for library functions. AC_CHECK_FUNCS(bsearch getpwnam getrlimit imaxdiv isalpha killpg mempcpy \ sigsetmask stpcpy strchrnul strsignal strtod strtoimax \ strtoumax sysconf) if test "$enable_fnmatch" = yes; then use_fnmatch= AC_CHECK_FUNCS(fnmatch, use_fnmatch=yes) fi if test "$use_fnmatch" = yes && test "$enable_glob" = yes; then AC_CHECK_FUNCS(glob) fi dnl Check for klibc signal. AC_CHECK_FUNC(signal) if test "$ac_cv_func_signal" != yes; then AC_CHECK_FUNC(bsd_signal, [AC_DEFINE(signal, bsd_signal, [klibc has bsd_signal instead of signal])]) fi dnl Check for stat64 (dietlibc/klibc). AC_CHECK_FUNC(stat64,, [ AC_DEFINE(fstat64, fstat, [64-bit operations are the same as 32-bit]) AC_DEFINE(lstat64, lstat, [64-bit operations are the same as 32-bit]) AC_DEFINE(stat64, stat, [64-bit operations are the same as 32-bit]) ]) AC_CHECK_FUNC(open64,, [ AC_DEFINE(open64, open, [64-bit operations are the same as 32-bit]) ]) AC_ARG_WITH(libedit, AS_HELP_STRING(--with-libedit, [Compile with libedit support])) use_libedit= if test "$with_libedit" = "yes"; then AC_CHECK_LIB(edit, history_init, [ AC_CHECK_HEADER([histedit.h], [use_libedit="yes"], AC_MSG_ERROR( [Can't find required header files.]))]) fi if test "$use_libedit" != "yes"; then AC_DEFINE([SMALL], 1, [Define if you build with -DSMALL]) else export LIBS="$LIBS -ledit" fi AC_CONFIG_FILES([Makefile src/Makefile]) AC_OUTPUT