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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
AC_INIT([demo], [1.0.0], [user@zuse.jp])
AM_INIT_AUTOMAKE([foreign])
AC_CONFIG_SRCDIR([main.c])
AC_CONFIG_HEADERS([config.h])
AC_CANONICAL_HOST
# Checks for programs.
AC_PROG_CC
# Checks for libraries.
PKG_CHECK_MODULES([LIBSIXEL], [libsixel], [have_libsixel=yes], [have_libsixel=no])
if test x$have_libsixel != xno; then
AC_MSG_NOTICE([libsixel: $have_libsixel])
AC_DEFINE(HAVE_LIBSIXEL, 1, [whether libsixel is available])
else
AC_MSG_ERROR(libsixel is not available.)
fi
AC_SUBST(LIBSIXEL_CFLAGS)
AC_SUBST(LIBSIXEL_LIBS)
if test x$have_gl != xyes; then
PKG_CHECK_MODULES([GL], [osmesa], [have_osmesa=yes], [have_osmesa=no])
if test x$have_osmesa != xno; then
have_gl=yes
AC_MSG_NOTICE([osmesa: $have_osmesa])
AC_DEFINE(HAVE_OSMESA, 1, [whether osmesa is available])
fi
fi
if test x$have_gl != xyes; then
case $host in
*-apple-darwin*)
have_gl=yes
GL_CFLAGS=-Wno-deprecated-declarations
GL_LIBS="-framework OpenGL"
AC_DEFINE(HAVE_CGL, 1, [whether CGL is available])
;;
esac
fi
if test x$have_gl != xyes; then
AC_PATH_XTRA
if test x$X_DISPLAY_MISSING = x; then
AC_CHECK_HEADER([GL/gl.h], [
AC_CHECK_HEADER([GL/glx.h], [
AC_CHECK_LIB([GL], [glXCreateContext], [
have_gl=yes
GL_CFLAGS=
GL_LIBS=-lGL
AC_DEFINE(HAVE_GLX, 1, [whether GLX is available])
])
])
])
fi
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LIBS)
fi
if test x$have_gl != xyes; then
AC_MSG_ERROR([Please install osmesa (e.g. "apt-get install libosmesa6-dev")])
fi
AC_SUBST(GL_CFLAGS)
AC_SUBST(GL_LIBS)
# Checks for header files.
AC_CHECK_HEADERS([sys/select.h termios.h fcntl.h sys/ioctl.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([memset strstr])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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