#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

# Generic support for FLTK applications


AC_COPYRIGHT([Copyright (C) 2016 Dave Freese, W1HKJ (w1hkj AT w1hkj DOT com)])

AC_PREREQ([2.71])

dnl major and minor must be integers; patch may
dnl contain other characters or be empty
m4_define(FLMSG_MAJOR,  [4])
m4_define(FLMSG_MINOR,  [0])
m4_define(FLMSG_PATCH,  [.24])

AC_INIT([FLMSG],FLMSG_MAJOR.FLMSG_MINOR[]FLMSG_PATCH,[w1hkj AT w1hkj DOT com])

AC_SUBST([FLMSG_VERSION_MAJOR], [FLMSG_MAJOR])
AC_SUBST([FLMSG_VERSION_MINOR], [FLMSG_MINOR])
AC_SUBST([FLMSG_VERSION_PATCH], [FLMSG_PATCH])
AC_SUBST([FLMSG_VERSION], [FLMSG_MAJOR.FLMSG_MINOR[]FLMSG_PATCH])

AC_DEFINE([FLMSG_VERSION_MAJOR], [FLMSG_MAJOR], [major version number])
AC_DEFINE([FLMSG_VERSION_MINOR], [FLMSG_MINOR], [minor version number])
AC_DEFINE([FLMSG_VERSION_PATCH], ["FLMSG_PATCH"], [patch/alpha version string])
AC_DEFINE([FLMSG_VERSION], ["FLMSG_MAJOR.FLMSG_MINOR[]FLMSG_PATCH"], [version string])

AC_SUBST([AC_CONFIG_ARGS], [$ac_configure_args])
AC_CONFIG_AUX_DIR([build-aux])

# define build, build_cpu, build_vendor, build_os
AC_CANONICAL_BUILD
# define host, host_cpu, host_vendor, host_os
AC_CANONICAL_HOST
# define target, target_cpu, target_vendor, target_os
AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign std-options subdir-objects 1.9.6])

#change the next config item for the specific application src's
AC_CONFIG_SRCDIR([src/flmsg.cxx])
AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_MACRO_DIR([m4])

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_USE_SYSTEM_EXTENSIONS

# Checks for libraries.

# Checks for header files.
AC_CHECK_HEADERS([stdlib.h string.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_TYPE_SIZE_T

# Checks for library functions.
AC_CHECK_FUNCS([getaddrinfo gethostbyname hstrerror gmtime_r localtime_r memmove memset mkdir select setenv snprintf socket socketpair strcasecmp strcasestr strchr strdup strerror strlcpy strncasecmp strrchr strstr strtol uname unsetenv vsnprintf])

### static flag
# Set ac_cv_static to yes/no
# Substitute RTLIB in Makefile
AC_FL_STATIC

### optimizations
# Set ac_cv_opt to arg
# Substitute OPT_FLAGS in Makefile
AC_FL_OPT

### debug flag
# Set ac_cv_debug to yes/no
# Override CXXFLAGS
# Set ENABLE_DEBUG Makefile conditional
# Substitute RDYNAMIC in Makefile
AC_FL_DEBUG

###### OS support
### OSX
# Set ac_cv_mac_universal to yes/no
# Set DARWIN Makefile conditional
# Substitute MAC_UNIVERSAL_CFLAGS and MAC_UNIVERSAL_LDFLAGS in Makefile
AC_FL_MACOSX

### win32
# Set WIN32 Makefile conditional
# Set HAVE_WINDRES Makefile conditional
# Substitute WINDRES in Makefile
AC_FL_WIN32

### Non-POSIX compatibility (i.e. mingw32)
# Sets various Makefile conditionals; see m4/np-compat.m4
AC_FLMSG_NP_COMPAT

### FLTK
# Substitute FLTK_CFLAGS and FLTK_LIBS in Makefile
# Set FLUID variable
# Set HAVE_FLUID Makefile conditional
AC_CHECK_FLTK

### X11
# Set ac_cv_x to yes/no
# Define USE_X in config.h
# Substitute X_CFLAGS and X_LIBS in Makefile
if test "x$target_darwin" = "xno" && test "x$target_win32" = "xno"; then
    AC_FLMSG_PKG_CHECK([x], [x11], [no], [yes])
fi

### libflxmlrpc
# Set ac_cv_flxmlrpc to yes/no
# Define USE_FLXMLRPC in config.h
# Substitute FLXMLRPC_CFLAGS and FLXMLRPC_LIBS in Makefile

AC_FLMSG_PKG_CHECK([flxmlrpc], [flxmlrpc >= 1.0.1], 
  [yes], [yes], [use external flxmlrpc library @<:@autodetect@:>@],
  [ENABLE_FLXMLRPC])

### build info
# Define various build variables in config.h
AC_FLMSG_BUILD_INFO

AC_CONFIG_FILES([Makefile src/Makefile])

AC_OUTPUT

ac_xmlrpc_report="internal lib";

if test "x$ac_cv_flxmlrpc" = "xyes"; then
  ac_xmlrpc_report="external lib";
fi
 
### summary
AC_MSG_RESULT([
Configuration summary:

  Version ..................... $VERSION
  
  Target OS ................... $target_os

  Have flxmlrpc library ....... $ac_xmlrpc_report

  Static linking .............. $ac_cv_static
  CPU optimizations ........... $ac_cv_opt
  Debugging ................... $ac_cv_debug

])