update autoconf

configure

@@ -750,9 +750,7 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 enable_silent_rules
-with_glx
-with_wgl
-with_glfw
+with_backend
 enable_dependency_tracking
 '
       ac_precious_vars='build_alias
@@ -1407,9 +1405,8 @@ Optional Features:
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
-  --with-glx              Build with GLX backend
-  --with-wgl              Build with WGL backend
-  --with-glfw             Build with GLFW backend
+  --with-backend=glx|wgl|glfw
+                          Select backend
 
 Some influential environment variables:
   CC          C compiler command
@@ -3059,24 +3056,10 @@ fi
 
 
 
-# Check whether --with-glx was given.
-if test ${with_glx+y}
+# Check whether --with-backend was given.
+if test ${with_backend+y}
 then :
-  withval=$with_glx;
-fi
-
-
-# Check whether --with-wgl was given.
-if test ${with_wgl+y}
-then :
-  withval=$with_wgl;
-fi
-
-
-# Check whether --with-glfw was given.
-if test ${with_glfw+y}
-then :
-  withval=$with_glfw;
+  withval=$with_backend;
 fi
 
 
@@ -5738,7 +5721,7 @@ fi
 NB_DRIVER=OPENGL
 NB_BACKEND=
 
-if test "x$with_glx" = "xyes"
+if test "x$with_backend" = "xglx"
 then :
 
 
@@ -6018,7 +6001,7 @@ fi
 
 fi
 
-if test "x$with_wgl" = "xyes"
+if test "x$with_backend" = "xwgl"
 then :
 
 	:
@@ -6029,7 +6012,7 @@ then :
 
 fi
 
-if test "x$with_glfw" = "xyes"
+if test "x$with_backend" = "xglfw"
 then :
 
 

configure.ac

@@ -1,9 +1,7 @@
 AC_INIT([NishBox], [1.0.0])
 AM_INIT_AUTOMAKE([subdir-objects foreign])
 
-AC_ARG_WITH([glx], AS_HELP_STRING([--with-glx], [Build with GLX backend]))
-AC_ARG_WITH([wgl], AS_HELP_STRING([--with-wgl], [Build with WGL backend]))
-AC_ARG_WITH([glfw], AS_HELP_STRING([--with-glfw], [Build with GLFW backend]))
+AC_ARG_WITH([backend], AS_HELP_STRING([--with-backend=glx|wgl|glfw], [Select backend]))
 
 AM_PROG_AR
 AC_PROG_RANLIB
@@ -14,14 +12,14 @@ PKG_PROG_PKG_CONFIG
 NB_DRIVER=OPENGL
 NB_BACKEND=
 
-AS_IF([test "x$with_glx" = "xyes"], [
+AS_IF([test "x$with_backend" = "xglx"], [
 	PKG_CHECK_MODULES([GL_MORE], [x11])
 	PKG_CHECK_MODULES([GL], [gl])
 	PKG_CHECK_MODULES([GLU], [glu])
 	NB_BACKEND=GLX
 ])
 
-AS_IF([test "x$with_wgl" = "xyes"], [
+AS_IF([test "x$with_backend" = "xwgl"], [
 	:
 	GL_MORE_LIBS="-lgdi32"
 	GL_LIBS="-lopengl32"
@@ -29,7 +27,7 @@ AS_IF([test "x$with_wgl" = "xyes"], [
 	NB_BACKEND=WGL
 ])
 
-AS_IF([test "x$with_glfw" = "xyes"], [
+AS_IF([test "x$with_backend" = "xglfw"], [
 	PKG_CHECK_MODULES([GL], [glfw3])
 	PKG_CHECK_MODULES([GLU], [glu])
 	NB_BACKEND=GLFW

tool/build-windows.sh

@@ -34,5 +34,5 @@ cd ..
 
 cd ..
 
-./configure --host=${ARCH}-w64-mingw32 --with-wgl
+./configure --host=${ARCH}-w64-mingw32 --with-backend=wgl
 ${MAKE}