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automake: use subdir-objects option
[openocd.git] / configure.ac
diff --git a/configure.ac b/configure.ac
index 68d6301a96147e47c81e5454db5f445dc7fb32d6..623e63173073be9b6a7da5af26325f7745954ee9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5,8 +5,7 @@ AC_CONFIG_SRCDIR([src/openocd.c])
 
 m4_include([config_subdir.m4])dnl
 
-AM_INIT_AUTOMAKE([-Wall -Wno-portability dist-bzip2 dist-zip])
-AM_MAINTAINER_MODE
+AM_INIT_AUTOMAKE([-Wall -Wno-portability dist-bzip2 dist-zip subdir-objects])
 
 AC_CONFIG_HEADERS([config.h])
 AH_BOTTOM([
@@ -422,11 +421,16 @@ case "${host_cpu}" in
     AC_ARG_ENABLE([at91rm9200],
       AS_HELP_STRING([--enable-at91rm9200], [Enable building support for AT91RM9200 based SBCs]),
       [build_at91rm9200=$enableval], [build_at91rm9200=no])
+
+    AC_ARG_ENABLE([bcm2835gpio],
+      AS_HELP_STRING([--enable-bcm2835gpio], [Enable building support for bitbanging on BCM2835 (as found in Raspberry Pi)]),
+      [build_bcm2835gpio=$enableval], [build_bcm2835gpio=no])
     ;;
 
   *)
     build_ep93xx=no
     build_at91rm9200=no
+    build_bcm2835gpio=no
     ;;
 esac
 
@@ -511,10 +515,6 @@ AC_ARG_ENABLE([internal-jimtcl],
   AS_HELP_STRING([--disable-internal-jimtcl], [Disable building internal jimtcl]),
   [use_internal_jimtcl=$enableval], [use_internal_jimtcl=yes])
 
-AC_ARG_ENABLE([libusb0],
-  AS_HELP_STRING([--enable-libusb0], [Use libusb-0.1 library for USB JTAG devices]),
-  [check_libusb0=$enableval], [check_libusb0=no])
-
 AC_ARG_ENABLE([aice],
   AS_HELP_STRING([--enable-aice], [Enable building support for the Andes JTAG Programmer]),
   [build_aice=$enableval], [build_aice=no])
@@ -676,6 +676,13 @@ else
   AC_DEFINE([BUILD_AT91RM9200], [0], [0 if you don't want at91rm9200.])
 fi
 
+if test $build_bcm2835gpio = yes; then
+  build_bitbang=yes
+  AC_DEFINE([BUILD_BCM2835GPIO], [1], [1 if you want bcm2835gpio.])
+else
+  AC_DEFINE([BUILD_BCM2835GPIO], [0], [0 if you don't want bcm2835gpio.])
+fi
+
 if test x$parport_use_ppdev = xyes; then
   AC_DEFINE([PARPORT_USE_PPDEV], [1], [1 if you want parport to use ppdev.])
 else
@@ -1120,7 +1127,8 @@ if test $build_ft2232_libftdi = yes -o $build_usb_blaster_libftdi = yes -o \
     ], [
       AC_MSG_ERROR([Cannot build & run test program using libftdi])
     ], [
-      AC_MSG_RESULT([Skipping as we are cross-compiling])
+      AC_MSG_RESULT([Skipping as we are cross-compiling, trying build only])
+      AC_SEARCH_LIBS([ftdi_new], [], [], [AC_MSG_ERROR([Cannot link with libftdi])])
     ])
 
 AC_MSG_CHECKING([for libftdi highspeed device support])
@@ -1166,37 +1174,53 @@ enum ftdi_chip_type x = TYPE_232H;
   CFLAGS=$CFLAGS_SAVE
 fi
 
-# check for usb.h when a driver will require it
-build_usb=no
+# check if some driver requires libusb-0.1
+need_usb0=no
 if test $build_vsllink = yes -o $build_usbprog = yes -o \
-  $build_rlink = yes -o $build_ulink = yes -o $build_armjtagew = yes -o \
-  $build_aice = yes
-then
-  build_usb=yes
+        $build_rlink = yes -o $build_armjtagew = yes; then
+  need_usb0=yes
 fi
 
-# Check for libusb1 ported drivers.
-build_usb_ng=no
-if test $build_jlink = yes -o $build_hladapter_stlink = yes -o $build_osbdm = yes -o \
-  $build_opendous = yes -o $build_ftdi = yes -o $build_hladapter_icdi = yes
-then
-  build_usb_ng=yes
+# check if some driver can work with either libusb version
+need_usb=no
+if test $build_jlink = yes -o $build_osbdm = yes -o $build_opendous = yes -o \
+       $build_aice = yes; then
+  need_usb=yes
+fi
+
+# check if some driver requires libusb-1.x
+need_usb_ng=no
+if test $build_ftdi = yes -o $build_hladapter_icdi = yes -o \
+        $build_hladapter_stlink = yes -o $build_ulink = yes; then
+  need_usb_ng=yes
 fi
 
 # check for libusb library if necessary
-use_libusb0=no
 use_libusb1=no
-if test $build_usb = yes -o $build_usb_ng = yes; then
-  if test $check_libusb0 = no -a $build_usb_ng = yes; then
-       AC_CHECK_HEADER([libusb-1.0/libusb.h],
-                       [AC_DEFINE(HAVE_LIBUSB1, 1, [Define if you have libusb-1.0]) check_libusb0=no use_libusb1=yes ],
-                       [ check_libusb0=yes use_libusb1=no ])
-  fi
+if test $need_usb = yes -o $need_usb_ng = yes; then
+  AC_CHECK_HEADER([libusb-1.0/libusb.h], [
+       AC_DEFINE([HAVE_LIBUSB1], [1], [Define if you have libusb-1.x])
+       use_libusb1=yes
+       AC_SEARCH_LIBS([libusb_error_name], [usb-1.0],
+               [AC_DEFINE([HAVE_LIBUSB_ERROR_NAME], [1], [Define if your libusb has libusb_error_name()])],
+               [AC_MSG_WARN([libusb-1.x older than 1.0.9 detected, consider updating])])
+  ], [
+       if test $need_usb_ng = yes; then
+         AC_MSG_ERROR([libusb-1.x is required for some driver(s) you've selected])
+       else
+         AC_MSG_WARN([Trying legacy libusb-0.1 as a fallback, consider installing libusb-1 instead])
+         need_usb0=yes
+       fi
+  ])
+fi
 
-  if test $check_libusb0 = yes -o $build_usb = yes; then
-       AC_CHECK_HEADERS([usb.h], [use_libusb0=yes],
-                       [AC_MSG_ERROR([libusb or libusb-1.0 are required to build some OpenOCD driver(s)])])
-  fi
+use_libusb0=no
+if test $need_usb0 = yes; then
+       AC_CHECK_HEADERS([usb.h], [
+                       use_libusb0=yes
+               ], [
+                       AC_MSG_ERROR([libusb-0.1 is required to build some OpenOCD driver(s)])
+               ])
 fi
 
 AM_CONDITIONAL([RELEASE], [test $build_release = yes])
@@ -1208,6 +1232,7 @@ AM_CONDITIONAL([ZY1000], [test $build_zy1000 = yes])
 AM_CONDITIONAL([ZY1000_MASTER], [test $build_zy1000_master = yes])
 AM_CONDITIONAL([IOUTIL], [test $build_ioutil = yes])
 AM_CONDITIONAL([AT91RM9200], [test $build_at91rm9200 = yes])
+AM_CONDITIONAL([BCM2835GPIO], [test $build_bcm2835gpio = yes])
 AM_CONDITIONAL([BITBANG], [test $build_bitbang = yes])
 AM_CONDITIONAL([FT2232_LIBFTDI], [test $build_ft2232_libftdi = yes])
 AM_CONDITIONAL([FT2232_DRIVER], [test $build_ft2232_ftd2xx = yes -o $build_ft2232_libftdi = yes])
@@ -1234,17 +1259,15 @@ AM_CONDITIONAL([HLADAPTER], [test $build_hladapter_stlink = yes -o $build_hladap
 AM_CONDITIONAL([OSBDM], [test $build_osbdm = yes])
 AM_CONDITIONAL([OPENDOUS], [test $build_opendous = yes])
 AM_CONDITIONAL([SYSFSGPIO], [test $build_sysfsgpio = yes])
-AM_CONDITIONAL([USB], [test $build_usb = yes])
-AM_CONDITIONAL([USB_NG], [test $build_usb_ng = yes])
 AM_CONDITIONAL([USE_LIBUSB0], [test $use_libusb0 = yes])
 AM_CONDITIONAL([USE_LIBUSB1], [test $use_libusb1 = yes])
 AM_CONDITIONAL([IS_CYGWIN], [test $is_cygwin = yes])
-AM_CONDITIONAL([IS_MINGW], [test $is_mingw = ye]s)
-AM_CONDITIONAL([IS_WIN32], [test $is_win32 = ye]s)
-AM_CONDITIONAL([IS_DARWIN], [test $is_darwin = ye]s)
+AM_CONDITIONAL([IS_MINGW], [test $is_mingw = yes])
+AM_CONDITIONAL([IS_WIN32], [test $is_win32 = yes])
+AM_CONDITIONAL([IS_DARWIN], [test $is_darwin = yes])
 AM_CONDITIONAL([BITQ], [test $build_bitq = yes])
 
-AM_CONDITIONAL([MINIDRIVER], [test $build_minidriver = ye]s)
+AM_CONDITIONAL([MINIDRIVER], [test $build_minidriver = yes])
 AM_CONDITIONAL([MINIDRIVER_DUMMY], [test $build_minidriver_dummy = yes])
 
 AM_CONDITIONAL([INTERNAL_JIMTCL], [test $use_internal_jimtcl = yes])
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