12 files changed, 394 insertions, 1 deletions

diff --git a/meta-oe/classes/waf-samba.bbclass b/meta-oe/classes/waf-samba.bbclass
index a8b3b95295..45fbcc342b 100644
--- a/meta-oe/classes/waf-samba.bbclass
+++ b/meta-oe/classes/waf-samba.bbclass
@@ -20,7 +20,38 @@ CONFIGUREOPTS = " --prefix=${prefix} \
                   --mandir=${mandir} \
                 "
 
+# Three methods for waf cross compile:
+# 1. answers:
+#    Only --cross-answers - try the cross-answers file, and if
+#    there's no corresponding answer, add to the file and mark
+#    the configure process as unfinished.
+# 2. exec:
+#    Only --cross-execute - get the answer from cross-execute,
+#    an emulator (qemu) is used to run cross-compiled binaries.
+# 3. both:
+#    (notes: not supported in lower version of some packages,
+#     please check buildtools/wafsamba/samba_cross.py in the
+#     package source)
+#    Try the cross-answers file first, and if there is no
+#    corresponding answer, use cross-execute to get an answer,
+#    and add that answer to the file.
+#
+# The first one is preferred since it may fail with 2 or 3 if
+# the target board is not suported by qemu, but we can use 2 or 3
+# to help generate the cross answer when adding new board support.
+CROSS_METHOD ?= "answer"
+
 do_configure() {
+
+    # Prepare the cross-answers file
+    CROSS_ANSWERS="${B}/cross-answers-${TARGET_ARCH}.txt"
+    if [ -e ${CROSS_ANSWERS} ]; then
+        rm -f ${CROSS_ANSWERS}
+    fi
+    echo 'Checking uname machine type: "${TARGET_ARCH}"' >> ${CROSS_ANSWERS}
+    echo 'Checking uname release type: "${OLDEST_KERNEL}"' >> ${CROSS_ANSWERS}
+    cat ${WAF_CROSS_ANSWERS_PATH}/cross-answers-${TARGET_ARCH}.txt >> ${CROSS_ANSWERS}
+
     qemu_binary="${@qemu_target_binary(d)}"
     if [ "${qemu_binary}" = "qemu-allarch" ]; then
         qemu_binary="qemuwrapper"
@@ -42,7 +73,17 @@ do_configure() {
     export STAGING_INCDIR=${STAGING_INCDIR}
     export PYTHONPATH=${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
 
-    ./configure ${CONFIGUREOPTS} ${EXTRA_OECONF} --cross-compile --cross-execute="${CROSS_EXEC}"
+    CONFIG_CMD="./configure ${CONFIGUREOPTS} ${EXTRA_OECONF} --cross-compile"
+    if [ "${CROSS_METHOD}" = "answer" ]; then
+        ${CONFIG_CMD} --cross-answers="${CROSS_ANSWERS}"
+    elif [ "${CROSS_METHOD}" = "exec" ]; then
+        ${CONFIG_CMD} --cross-exec="${CROSS_EXEC}"
+    elif [ "${CROSS_METHOD}" = "both" ]; then
+        ${CONFIG_CMD} --cross-answers="${CROSS_ANSWERS}" --cross-exec="${CROSS_EXEC}"
+    else
+        echo "ERROR: ${CROSS_METHOD} is not valid for cross-compile!"
+        exit 1
+    fi
 }
 
 do_compile () {
diff --git a/meta-oe/conf/layer.conf b/meta-oe/conf/layer.conf
index 318213844e..7237964591 100644
--- a/meta-oe/conf/layer.conf
+++ b/meta-oe/conf/layer.conf
@@ -30,6 +30,7 @@ LAYERVERSION_openembedded-layer = "1"
 LAYERDEPENDS_openembedded-layer = "core"
 
 LICENSE_PATH += "${LAYERDIR}/licenses"
+WAF_CROSS_ANSWERS_PATH = "${LAYERDIR}/files/waf-cross-answers"
 
 SIGGEN_EXCLUDERECIPES_ABISAFE += " \
   mplayer-common \
diff --git a/meta-oe/files/waf-cross-answers/README b/meta-oe/files/waf-cross-answers/README
new file mode 100644
index 0000000000..0c2334436b
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/README
@@ -0,0 +1,3 @@
+The files in this directory are cross answers files
+used by waf-samba.bbaclss, please see waf-samba.bbaclss
+for details about how they are used.
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-aarch64.txt b/meta-oe/files/waf-cross-answers/cross-answers-aarch64.txt
new file mode 100644
index 0000000000..bbf7f16203
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-aarch64.txt
@@ -0,0 +1,38 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: OK
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-arm.txt b/meta-oe/files/waf-cross-answers/cross-answers-arm.txt
new file mode 100644
index 0000000000..e926fcd3ce
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-arm.txt
@@ -0,0 +1,39 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: NO
+Checking for -D_FILE_OFFSET_BITS=64: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials with 32-bit system calls: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: NO
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-i586.txt b/meta-oe/files/waf-cross-answers/cross-answers-i586.txt
new file mode 100644
index 0000000000..e926fcd3ce
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-i586.txt
@@ -0,0 +1,39 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: NO
+Checking for -D_FILE_OFFSET_BITS=64: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials with 32-bit system calls: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: NO
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-i686.txt b/meta-oe/files/waf-cross-answers/cross-answers-i686.txt
new file mode 100644
index 0000000000..e926fcd3ce
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-i686.txt
@@ -0,0 +1,39 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: NO
+Checking for -D_FILE_OFFSET_BITS=64: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials with 32-bit system calls: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: NO
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-mips.txt b/meta-oe/files/waf-cross-answers/cross-answers-mips.txt
new file mode 100644
index 0000000000..18bfa0203b
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-mips.txt
@@ -0,0 +1,39 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: NO
+Checking for -D_FILE_OFFSET_BITS=64: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "128"
+Checking value of _NSIG: "128"
+Checking value of SIGRTMAX: "127"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: NO
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-mips64.txt b/meta-oe/files/waf-cross-answers/cross-answers-mips64.txt
new file mode 100644
index 0000000000..8fa015ab90
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-mips64.txt
@@ -0,0 +1,38 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: OK
+Checking for HAVE_INCOHERENT_MMAP: OK
+Checking value of NSIG: "128"
+Checking value of _NSIG: "128"
+Checking value of SIGRTMAX: "127"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: OK
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-powerpc.txt b/meta-oe/files/waf-cross-answers/cross-answers-powerpc.txt
new file mode 100644
index 0000000000..fb93b56fc3
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-powerpc.txt
@@ -0,0 +1,39 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: NO
+Checking for -D_FILE_OFFSET_BITS=64: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: NO
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-powerpc64.txt b/meta-oe/files/waf-cross-answers/cross-answers-powerpc64.txt
new file mode 100644
index 0000000000..fd585f0d5b
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-powerpc64.txt
@@ -0,0 +1,39 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: (255, "")
+Checking if can we convert from IBM850 to UCS-2LE: (255, "")
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: OK
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK
diff --git a/meta-oe/files/waf-cross-answers/cross-answers-x86_64.txt b/meta-oe/files/waf-cross-answers/cross-answers-x86_64.txt
new file mode 100644
index 0000000000..bbf7f16203
--- /dev/null
+++ b/meta-oe/files/waf-cross-answers/cross-answers-x86_64.txt
@@ -0,0 +1,38 @@
+Checking uname sysname type: "Linux"
+Checking uname version type: "# Wed May 20 10:34:39 UTC 2015"
+Checking simple C program: "hello world"
+rpath library support: OK
+-Wl,--version-script support: OK
+Checking getconf LFS_CFLAGS: NO
+Checking correct behavior of strtoll: NO
+Checking for working strptime: OK
+Checking for C99 vsnprintf: "1"
+Checking for HAVE_SHARED_MMAP: OK
+Checking for HAVE_MREMAP: OK
+Checking for HAVE_SECURE_MKSTEMP: OK
+Checking for HAVE_IFACE_GETIFADDRS: NO
+Checking for HAVE_IFACE_IFCONF: NO
+Checking for HAVE_IFACE_IFREQ: NO
+Checking for large file support without additional flags: OK
+Checking for HAVE_INCOHERENT_MMAP: NO
+Checking value of NSIG: "65"
+Checking value of _NSIG: "65"
+Checking value of SIGRTMAX: "64"
+Checking value of SIGRTMIN: "34"
+Checking whether the WRFILE -keytab is supported: OK
+Checking for kernel change notify support: OK
+Checking for Linux kernel oplocks: OK
+Checking for kernel share modes: OK
+Checking whether POSIX capabilities are available: OK
+Checking if can we convert from CP850 to UCS-2LE: OK
+Checking if can we convert from UTF-8 to UCS-2LE: OK
+vfs_fileid checking for statfs() and struct statfs.f_fsid: OK
+Checking whether we can use Linux thread-specific credentials: OK
+Checking whether fcntl locking is available: OK
+Checking for the maximum value of the 'time_t' type: OK
+Checking whether the realpath function allows a NULL argument: OK
+Checking for ftruncate extend: OK
+getcwd takes a NULL argument: OK
+Checking for small off_t: NO
+Checking whether blkcnt_t is 32 bit: NO
+Checking whether blkcnt_t is 64 bit: OK