Remove the unnecessary configure.ac.

1 files changed, 0 insertions, 184 deletions

diff --git a/contrib/flex/configure.ac b/contrib/flex/configure.ac
deleted file mode 100644
index 55e774b014be..000000000000
--- a/contrib/flex/configure.ac
+++ /dev/null
@@ -1,184 +0,0 @@
-#                                               -*- Autoconf -*-
-# Process this file with autoconf to produce a configure script.
-
-# This file is part of flex.
-
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-
-# Neither the name of the University nor the names of its contributors
-# may be used to endorse or promote products derived from this software
-# without specific prior written permission.
-
-# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE.
-
-# autoconf requirements and initialization
-
-AC_INIT([the fast lexical analyser generator],[2.6.4],[flex-help@lists.sourceforge.net],[flex])
-AC_CONFIG_SRCDIR([src/scan.l])
-AC_CONFIG_AUX_DIR([build-aux])
-LT_INIT
-AM_INIT_AUTOMAKE([1.11.3 -Wno-portability foreign check-news std-options dist-lzip parallel-tests subdir-objects])
-AC_CONFIG_HEADER([src/config.h])
-AC_CONFIG_LIBOBJ_DIR([lib])
-AC_CONFIG_MACRO_DIR([m4])
-SHARED_VERSION_INFO="2:0:0"
-AC_SUBST(SHARED_VERSION_INFO)
-
-# checks for programs
-
-AM_GNU_GETTEXT([external])
-AM_GNU_GETTEXT_VERSION([0.18])
-AC_PROG_YACC
-AS_IF([test "$YACC" != 'bison -y'], [
-	YACC="\${top_srcdir}/build-aux/missing bison -y"
-	AC_MSG_NOTICE(no bison program found: only required for maintainers)
-	])
-AM_CONDITIONAL([HAVE_BISON], [test "$YACC" = 'bison -y'])
-AM_PROG_LEX
-AC_PROG_CC
-AX_PROG_CC_FOR_BUILD
-AC_PROG_CXX
-AM_PROG_CC_C_O
-AC_PROG_LN_S
-AC_PROG_AWK
-AC_PROG_INSTALL
-
-# allow passing a variable `WARNINGFLAGS',
-#   either when invoking `configure', or when invoking `make'
-# default to something useful if GCC was detected
-
-AC_ARG_ENABLE([warnings],
-  [AS_HELP_STRING([--enable-warnings],
-                  [enable a bunch of compiler warning flags (defaults to GCC warning flags).])],
-  [AS_IF([test "x$GCC" = xyes],
-    [ : ${WARNINGFLAGS="-Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wnested-externs -Wold-style-definition -Wredundant-decls -Wconversion -Wno-unused-but-set-variable"} ])])
-
-AC_SUBST([WARNINGFLAGS])
-
-AC_ARG_ENABLE([libfl],
-  [AS_HELP_STRING([--disable-libfl],
-                  [do not build -lfl runtime support library])],
-  [], [enable_libfl=yes])
-AM_CONDITIONAL([ENABLE_LIBFL], [test "x$enable_libfl" = xyes])
-
-# --disable-bootstrap is intended only to workaround problems with bootstrap
-# (e.g. when cross-compiling flex or when bootstrapping has bugs).
-# Ideally we should be able to bootstrap even when cross-compiling.
-AC_ARG_ENABLE([bootstrap],
-  [AS_HELP_STRING([--disable-bootstrap],
-                  [don't perform a bootstrap when building flex])],
-  [], [enable_bootstrap=yes])
-AM_CONDITIONAL([ENABLE_BOOTSTRAP], [test "x$enable_bootstrap" = xyes])
-
-AM_CONDITIONAL([CROSS], [test "x$cross_compiling" = xyes])
-
-AC_PATH_PROG([HELP2MAN], help2man, [\${top_srcdir}/build-aux/missing help2man])
-  AS_IF([test "$HELP2MAN" = "\${top_srcdir}/build-aux/missing help2man"],
-    AC_MSG_WARN(help2man: program not found: building man page will not work)
-  )
-
-AC_PATH_PROGS([TEXI2DVI], [gtexi2dvi texi2dvi], [\${top_srcdir}/build-aux/missing texi2dvi])
-  AS_IF([test "$TEXI2DVI" = "\${top_srcdir}/build-aux/missing texi2dvi"],
-    AC_MSG_WARN(texi2dvi: program not found: building pdf version of manual will not work)
-  )
-
-# Check for a m4 that supports -P
-
-AC_CACHE_CHECK([for m4 that supports -P], [ac_cv_path_M4],
-[AC_PATH_PROGS_FEATURE_CHECK([M4], [gm4 gnum4 m4],
-              [[m4out=`echo 'm''4_divnum' | $ac_path_M4 -P`]
-                [test "x$m4out" = x0 \
-                && ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:]],
-              [AC_MSG_ERROR([could not find m4 that supports -P])])])
-AC_SUBST([M4], [$ac_cv_path_M4])
-AC_DEFINE_UNQUOTED([M4], ["$M4"], [Define to the m4 executable name.])
-
-AC_PATH_PROG([INDENT], indent, [\${top_srcdir}/build-aux/missing indent])
-  AC_MSG_CHECKING(if $INDENT is GNU indent)
-  AS_IF([$INDENT --version 2>/dev/null | head -n 1 | grep "GNU indent" >/dev/null],
-    [AC_MSG_RESULT(yes)],
-    [AC_MSG_RESULT(no)
-     AC_MSG_WARN($INDENT does not appear to be GNU indent; 'make indent' may not function properly)
-    ])
-
-# checks for headers
-
-AC_CHECK_HEADERS([regex.h strings.h sys/stat.h sys/wait.h unistd.h], [],
-  [AC_MSG_ERROR(required header not found on your system)])
-
-AC_CHECK_HEADERS([inttypes.h libintl.h limits.h locale.h malloc.h netinet/in.h])
-
-# checks for libraries
-
-# The test test-pthread uses libpthread, so we check for it here, but
-# all we need is the preprocessor symbol defined since we don't need
-# LIBS to include libpthread for building flex.
-
-LIBPTHREAD=''
-AC_CHECK_LIB(pthread, pthread_mutex_lock,
-   [AC_CHECK_HEADERS([pthread.h], [LIBPTHREAD=-lpthread],
-      [AC_MSG_WARN([pthread tests will be skipped])])],
-   [AC_MSG_WARN([pthread tests will be skipped])])
-AC_SUBST([LIBPTHREAD])
-
-AC_CHECK_LIB(m, log10)
-
-# Checks for typedefs, structures, and compiler characteristics.
-
-AC_HEADER_STDBOOL
-AC_C_CONST
-AC_TYPE_SIZE_T
-
-# Checks for library functions.
-
-AC_FUNC_ALLOCA
-AC_FUNC_FORK
-dnl Autoconf bug: AC_FUNC_MALLOC and AC_FUNC_REALLOC might not warn of cross
-dnl compilation. Workaround this.
-AC_FUNC_MALLOC
-AS_IF([test "$cross_compiling" = yes],
-   AC_MSG_WARN([result $ac_cv_func_malloc_0_nonnull guessed because of cross compilation]))
-AC_FUNC_REALLOC
-AS_IF([test "$cross_compiling" = yes],
-   AC_MSG_WARN([result $ac_cv_func_realloc_0_nonnull guessed because of cross compilation]))
-
-AC_CHECK_FUNCS([dup2 dnl
-memset dnl
-regcomp dnl
-strcasecmp dnl
-strchr dnl
-strdup dnl
-strtol dnl
-], [], [AC_MSG_ERROR(required library function not found on your system)])
-
-# Optional library functions
-AC_CHECK_FUNCS([dnl
-pow dnl           Used only by "examples/manual/expr"
-setlocale dnl     Needed only if NLS is enabled
-reallocarray dnl  OpenBSD function. We have replacement if not available.
-])
-
-AC_CONFIG_FILES(
-Makefile
-doc/Makefile
-examples/Makefile
-examples/fastwc/Makefile
-examples/manual/Makefile
-po/Makefile.in
-src/Makefile
-tools/Makefile
-tests/Makefile
-)
-
-AC_OUTPUT