configure.ac

m4_include([VERSION]) #Force reconf on VERSION change
AC_INIT([HPGLplotter],[m4_esyscmd_s(cat VERSION)],[nv3z@gmail.com],[HPGLplotter],[http://github.com/vk2bea/HPGLplotter])

AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])

AC_USE_SYSTEM_EXTENSIONS

AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_CXX
LT_PATH_LD
AM_PROG_CC_C_O
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

PKG_PROG_PKG_CONFIG

AUTOCONF_ENV="SHELL=/bin/sh"

LT_INIT
AC_ENABLE_STATIC

AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],
               [enable debugging, default: no]),
[case "${enableval}" in
             yes) debug=true ;;
             no)  debug=false ;;
             *)   AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
esac],
[debug=false])

AM_CONDITIONAL(DEBUG, test x"$debug" = x"true")

# Some useful default flags
CFLAGS="-Werror -Wall $CFLAGS"
CXXFLAGS="-Werror -Wall $CXXFLAGS"

PKG_PROG_PKG_CONFIG
if test -z "$PKG_CONFIG"; then
  AC_MSG_WARN([Cannot find pkg-config, make sure it is installed in your PATH])
fi

AC_DEFINE([__STDC_FORMAT_MACROS], [], [Description])

# Debug
m4_include([config_m4/debug.m4])

# Check for profiling mode
m4_include([config_m4/profiling.m4])

# Checking libs
m4_include([config_m4/versioning.m4])

# yelp-tools
#AC_CHECK_PROG(YELP_CHECK,yelp-build,yes)
#if test x"$YELP_CHECK" != x"yes" ; then
#   AC_MSG_ERROR([Please install yelp-tools before installing.])
#fi

# ghostscript
#AC_CHECK_PROG(GS_CHECK,gs,yes)
#if test x"$GS_CHECK" != x"yes" ; then
#   AC_MSG_ERROR([Please install gs before installing.])
#fi
# libgpib
AC_CHECK_LIB(gpib,ibask,,AC_MSG_ERROR([Please install Linux GPIB driver before continuing.]))

# libsystemd
# AC_CHECK_LIB(systemd,sd_journal_print,,AC_MSG_ERROR([Please install systemd library (libsystemd-dev on Debian type systems).]))

# check for Noto font
fc-list -q "Noto Emoji" || fc-list -q "Noto Color Emoji"
if [[ $? -ne 0 ]]; then
   AC_MSG_ERROR([Please install fonts-noto-color-emoji before proceeding.])
else
   echo "checking for Emoji font... yes"   
fi

YELP_HELP_INIT

PKG_CHECK_MODULES([GLIB], [glib-2.0])
PKG_CHECK_MODULES([GTK4], [gtk4])

# files required for building

AC_CHECK_HEADER(gpib/gpib_user.h, , [AC_MSG_ERROR([Couldn't find linux gpib headers. Please install libgpib development package] )])


# Output files
AC_CONFIG_FILES([
	Makefile
	src/Makefile
    data/Makefile
])


AC_OUTPUT