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AC_PREREQ(2.61)
AC_INIT([lexd], [1.3.5], [awesomeevildudes@gmail.com])
AM_INIT_AUTOMAKE
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_CXX
AM_SANITY_CHECK
AC_LANG_CPLUSPLUS
CFLAGS="-Wall -Wextra -Wsign-conversion $CFLAGS"
CXXFLAGS="-Wall -Wextra -Werror=missing-field-initializers -Wsign-conversion $CXXFLAGS"
AC_ARG_ENABLE(debug,
[ --enable-debug Enable "-g" compiler options],
[CXXFLAGS="-g $CXXFLAGS";CFLAGS="-g $CFLAGS"])
PKG_CHECK_MODULES([LTTOOLBOX], [lttoolbox >= 3.7.1])
PKG_CHECK_MODULES([ICU_UC], [icu-uc])
PKG_CHECK_MODULES([ICU_IO], [icu-io])
AC_CHECK_FUNCS([getopt_long])
CPPFLAGS="$CPPFLAGS $CFLAGS $LTTOOLBOX_CFLAGS $ICU_CFLAGS $ICU_UC_CFLAGS $ICU_IO_CFLAGS"
LIBS="$LIBS $LTTOOLBOX_LIBS $ICU_LIBS $ICU_UC_LIBS $ICU_IO_LIBS"
# Checks for highest supported C++ standard
AC_LANG(C++)
for version in 23 2b 20 2a 17; do
version_flag="-std=c++${version}"
AX_CHECK_COMPILE_FLAG([${version_flag}], [break], [version_flag=none])
done
AS_IF([test "$version_flag" == none], [
AC_MSG_ERROR([Could not enable at least C++17 - upgrade your compiler])
])
CXXFLAGS="$CXXFLAGS ${version_flag}"
AC_CHECK_HEADER([utf8cpp/utf8.h], [CPPFLAGS="-I/usr/include/utf8cpp/ $CPPFLAGS"], [
AC_CHECK_HEADER([utf8.h], [], [AC_MSG_ERROR([You don't have utfcpp installed.])])
])
AC_CONFIG_FILES([
lexd.pc
Makefile
src/Makefile
])
AC_OUTPUT
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