added: check for spidev.h in configure

INSTALL

@@ -1,8 +1,8 @@
 Installation Instructions
 *************************
 
-Copyright (C) 1994-1996, 1999-2002, 2004-2011 Free Software Foundation,
-Inc.
+Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
+2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 
    Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
@@ -226,11 +226,6 @@ order to use an ANSI C compiler:
 
 and if that doesn't work, install pre-built binaries of GCC for HP-UX.
 
-   HP-UX `make' updates targets which have the same time stamps as
-their prerequisites, which makes it generally unusable when shipped
-generated files such as `configure' are involved.  Use GNU `make'
-instead.
-
    On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
 parse its `<wchar.h>' header file.  The option `-nodtk' can be used as
 a workaround.  If GNU CC is not installed, it is therefore recommended

config.h.in

@@ -78,6 +78,9 @@
 /* */
 #undef HAVE_LIBXRENDER
 
+/* Define to 1 if you have the <linux/spi/spidev.h> header file. */
+#undef HAVE_LINUX_SPI_SPIDEV_H
+
 /* Define to 1 if you have the <linux/videodev2.h> header file. */
 #undef HAVE_LINUX_VIDEODEV2_H
 

configure

@@ -751,6 +751,8 @@ HAVE_OPENGL_FALSE
 HAVE_OPENGL_TRUE
 HAVE_X11_FALSE
 HAVE_X11_TRUE
+HAVE_SPI_FALSE
+HAVE_SPI_TRUE
 HAVE_LIBUSB_FALSE
 HAVE_LIBUSB_TRUE
 HAVE_PORTAUDIO_FALSE
@@ -883,6 +885,7 @@ with_gnu_ld
 enable_libtool_lock
 with_portaudio
 with_libusb
+with_spi
 with_x11
 with_opengl
 with_ffmpeg
@@ -1539,6 +1542,7 @@ Optional Packages:
   --without-portaudio     Disable portaudio support (no support for sound
                           devices)
   --without-libusb        Disable libusb support (no support for iBeLight)
+  --without-spi           Disable spi support (no support for LPD8806)
   --without-x11           Disable x11 support
   --without-opengl        Disable opengl support (boblight-X11 will not be
                           able to capture on vblanks)
@@ -6100,13 +6104,13 @@ if test "${lt_cv_nm_interface+set}" = set; then :
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:6103: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:6107: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:6106: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:6110: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:6109: output\"" >&5)
+  (eval echo "\"\$as_me:6113: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -7311,7 +7315,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 7314 "configure"' > conftest.$ac_ext
+  echo '#line 7318 "configure"' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -9114,11 +9118,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9117: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9121: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9121: \$? = $ac_status" >&5
+   echo "$as_me:9125: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9453,11 +9457,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9456: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9460: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9460: \$? = $ac_status" >&5
+   echo "$as_me:9464: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9558,11 +9562,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9561: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9565: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9565: \$? = $ac_status" >&5
+   echo "$as_me:9569: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9613,11 +9617,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9616: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9620: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9620: \$? = $ac_status" >&5
+   echo "$as_me:9624: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -11997,7 +12001,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12000 "configure"
+#line 12004 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12093,7 +12097,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12096 "configure"
+#line 12100 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14049,11 +14053,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14052: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14056: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14056: \$? = $ac_status" >&5
+   echo "$as_me:14060: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -14148,11 +14152,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14151: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14155: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14155: \$? = $ac_status" >&5
+   echo "$as_me:14159: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -14200,11 +14204,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14203: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14207: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14207: \$? = $ac_status" >&5
+   echo "$as_me:14211: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -15528,6 +15532,40 @@ fi
 
 
 
+# Check whether --with-spi was given.
+if test "${with_spi+set}" = set; then :
+  withval=$with_spi;
+else
+  with_spi=check
+fi
+
+if test "x$with_spi" = xcheck; then :
+  for ac_header in linux/spi/spidev.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "linux/spi/spidev.h" "ac_cv_header_linux_spi_spidev_h" "$ac_includes_default"
+if test "x$ac_cv_header_linux_spi_spidev_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LINUX_SPI_SPIDEV_H 1
+_ACEOF
+ with_spi=yes
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Missing spidev.h, if you want spi support (for LPD8806) please install the linux kernel headers." >&5
+$as_echo "$as_me: WARNING: Missing spidev.h, if you want spi support (for LPD8806) please install the linux kernel headers." >&2;}
+fi
+
+done
+
+fi
+ if test "x$with_spi" = xyes; then
+  HAVE_SPI_TRUE=
+  HAVE_SPI_FALSE='#'
+else
+  HAVE_SPI_TRUE='#'
+  HAVE_SPI_FALSE=
+fi
+
+
+
 # Check whether --with-x11 was given.
 if test "${with_x11+set}" = set; then :
   withval=$with_x11;
@@ -16286,6 +16324,10 @@ if test -z "${HAVE_LIBUSB_TRUE}" && test -z "${HAVE_LIBUSB_FALSE}"; then
   as_fn_error "conditional \"HAVE_LIBUSB\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_SPI_TRUE}" && test -z "${HAVE_SPI_FALSE}"; then
+  as_fn_error "conditional \"HAVE_SPI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_X11_TRUE}" && test -z "${HAVE_X11_FALSE}"; then
   as_fn_error "conditional \"HAVE_X11\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5

configure.ac

@@ -43,6 +43,13 @@ AC_CHECK_HEADERS([libusb-1.0/libusb.h],[],[AC_MSG_ERROR([Missing a required head
 ])
 AM_CONDITIONAL(HAVE_LIBUSB, [test "x$with_libusb" = xcheck])
 
+AC_ARG_WITH([spi], [AS_HELP_STRING([--without-spi], [Disable spi support (no support for LPD8806)])], [],
+            [with_spi=check])
+AS_IF([test "x$with_spi" = xcheck],
+[AC_CHECK_HEADERS([linux/spi/spidev.h], [with_spi=yes],
+  [AC_MSG_WARN([Missing spidev.h, if you want spi support (for LPD8806) please install the linux kernel headers.])])])
+AM_CONDITIONAL(HAVE_SPI, [test "x$with_spi" = xyes])
+
 dnl boblight-X11
 AC_ARG_WITH([x11], [AS_HELP_STRING([--without-x11], [Disable x11 support])], [],
             [with_x11=check])