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

AC_PREREQ([2.69])
AC_INIT(u8glib, 1.18, [BUG-REPORT-ADDRESS])
AC_CONFIG_SRCDIR([csrc/u8g_font.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE(-Wall subdir-objects)

#magic for conditional check in Makefile:
MK=''; AC_SUBST(MK)
SED=sed

# Checks for programs.
AC_PROG_AWK
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AM_PROG_AR
AC_PROG_LIBTOOL

# Checks for libraries.
LT_PREREQ([2.2])
#LT_INIT([shared static])
LT_INIT([disable-static])

# debug
AC_ARG_ENABLE([debug],
	AS_HELP_STRING([--enable-debug],[Compile the debug version (default: disabled)]),
	[enable_debug=$enableval],
	[enable_debug=no])
AM_CONDITIONAL([DEBUG], [test $enable_debug = "yes"])
if test "x$enable_debug" = "xyes"; then
  changequote({,})
  CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O[0-9s]*//g'`
  CXXFLAGS=`echo "$CXXFLAGS" | $SED -e 's/-O[0-9s]*//g'`
  changequote([,])
  dnl add -O0 only if GCC or ICC is used
  if test "$GCC" = "yes" || test "$ICC" = "yes"; then
    CFLAGS="$CFLAGS -g -O0 -Wall"
    CXXFLAGS="$CXXFLAGS -g -O0 -Wall"
  fi
else
  changequote({,})
  CFLAGS=`echo "$CFLAGS" | $SED -e 's/-g//g'`
  CXXFLAGS=`echo "$CXXFLAGS" | $SED -e 's/-g//g'`
  changequote([,])
fi

# Checks for libraries.
# FIXME: Replace `main' with a function in `-lwiringPi':
AC_CHECK_LIB([wiringPi], [main])

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

# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_C_INLINE
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_SIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_CHECK_FUNCS([atexit memset sqrt strerror])

AC_CONFIG_FILES([Makefile
                 ])
#AC_CONFIG_SUBDIRS([tools/font/otf2bdf])
AC_OUTPUT