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configure.ac
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AC_PREREQ(2.61)
m4_define([required_libxml_version], [2.6.17])
m4_define([required_apertium_version], [3.5.2])
m4_define([required_lttoolbox_version], [3.5.0])
AC_INIT([apertium-lex-tools], [0.2.1], [[email protected]])
AM_INIT_AUTOMAKE([apertium-lex-tools], [0.2.1], no-define)
AC_CONFIG_HEADER([lrx_config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_CXX
AM_SANITY_CHECK
AC_LANG_CPLUSPLUS
CFLAGS="-Wall -Wextra $CFLAGS"
CXXFLAGS="-Wall -Wextra $CXXFLAGS"
AC_ARG_ENABLE(debug,
[ --enable-debug Enable "-g -Wall" compiler options],
[CXXFLAGS="-g -Wall";CFLAGS="-g -Wall"])
# This doesn't work yet
dnl IRSTLM support
AH_TEMPLATE(HAVE_IRSTLM, [Have IRSTLM])
AC_ARG_WITH(irstlm, AC_HELP_STRING([--with-irstlm=PATH],
[enable IRSTLM ranker (needed for monolingual rule-learning)]),
[irstlm=${withval}], [irstlm=no])
AM_CONDITIONAL([HAVE_IRSTLM], [test "x$irstlm" != "xno"])
AC_DEFINE(HAVE_IRSTLM, 0)
AS_IF([test "x$irstlm" != "xno"], [
CXXFLAGS="$CXXFLAGS -I$withval/include"
LIBS="$LIBS -lirstlm"
AC_CHECK_HEADERS([lmmacro.h], AC_DEFINE(HAVE_IRSTLM, 1), [])
AC_CHECK_HEADERS([lmtable.h], AC_DEFINE(HAVE_IRSTLM, 1), [])
CXXFLAGS="$CXXFLAGS $IRSTLM_CFLAGS"
])
AH_TEMPLATE(HAVE_YASMET, [Have YASMET])
AC_ARG_WITH(yasmet, AC_HELP_STRING([--with-yasmet=PATH],
[enable YASMET (needed for maximum-entropy training)]),
[yasmet=${withval}], [yasmet=no])
AM_CONDITIONAL([HAVE_YASMET], [test "x$yasmet" != "xno"])
AC_DEFINE(HAVE_YASMET, 0)
PKG_CHECK_MODULES([LTTOOLBOX], [lttoolbox >= required_lttoolbox_version])
AC_SUBST(LTTOOLBOX_CFLAGS)
AC_SUBST(LTTOOLBOX_LIBS)
PKG_CHECK_MODULES([APERTIUM], [apertium >= required_apertium_version])
AC_SUBST(APERTIUM_CFLAGS)
AC_SUBST(APERTIUM_LIBS)
PKG_CHECK_MODULES([LIBXML], [libxml-2.0 >= required_libxml_version])
AC_SUBST(LIBXML_CFLAGS)
AC_SUBST(LIBXML_LIBS)
# Checks for libraries.
AC_CHECK_LIB(xml2, xmlReaderForFile)
AC_CHECK_FUNCS([setlocale strdup getopt_long])
AC_CHECK_DECLS([fread_unlocked, fwrite_unlocked, fgetc_unlocked, fputc_unlocked, fputs_unlocked, getopt_long, fgetwc_unlocked, fputwc_unlocked, fgetws_unlocked, fputws_unlocked])
CPPFLAGS="$CPPFLAGS $CFLAGS $APERTIUM_CFLAGS $LIBXML_CFLAGS"
LIBS="$LIBS $APERTIUM_LIBS $LIBXML_LIBS -lz"
# Checks for highest supported C++ standard
AC_LANG(C++)
AX_CHECK_COMPILE_FLAG([-std=c++20], [CXXFLAGS="$CXXFLAGS -std=c++20"], [
AX_CHECK_COMPILE_FLAG([-std=c++2a], [CXXFLAGS="$CXXFLAGS -std=c++2a"], [
AX_CHECK_COMPILE_FLAG([-std=c++17], [CXXFLAGS="$CXXFLAGS -std=c++17"], [
AX_CHECK_COMPILE_FLAG([-std=c++1z], [CXXFLAGS="$CXXFLAGS -std=c++1z"], [
AX_CHECK_COMPILE_FLAG([-std=c++14], [CXXFLAGS="$CXXFLAGS -std=c++14"], [
AX_CHECK_COMPILE_FLAG([-std=c++1y], [CXXFLAGS="$CXXFLAGS -std=c++1y"], [
AX_CHECK_COMPILE_FLAG([-std=c++11], [CXXFLAGS="$CXXFLAGS -std=c++11"], [])
])
])
])
])
])
])
AC_CONFIG_FILES([
Makefile
])
AC_OUTPUT
AS_IF([test "x$irstlm" == "xno"],
[AC_MSG_NOTICE([IRSTLM is not enabled; you will not be able run monolingual rule-learning; enable using --with-irstlm])])
AS_IF([test "x$yasmet" == "xno"],
[AC_MSG_NOTICE([YASMET is not enabled; you will not be able run maximum-entropy training; enable using --with-yasmet])])