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import Options
def set_options(opt):
pass
#opt.tool_options('compiler_cc')
def configure(conf):
print "--- libeio ---"
#conf.check_tool('compiler_cc')
conf.check_cc(lib="pthread", header_name="pthread.h", function_name="pthread_create", mandatory=True)
platform_string = "__" + Options.platform
if Options.platform == "linux2":
platform_string = "__linux"
conf.define(platform_string, 1)
conf.check_cc(msg="Checking for futimes(2)", define_name="HAVE_FUTIMES", fragment="""
#include <sys/types.h>
#include <sys/time.h>
#include <utime.h>
struct timeval tv[2];
int res;
int fd;
int main(void)
{
res = futimes (fd, tv);
return 0;
}
""")
conf.check_cc(msg="Checking for readahead(2)", define_name="HAVE_READAHEAD", fragment="""
#include <fcntl.h>
int main(void)
{
int fd = 0;
size_t count = 2;
ssize_t res;
res = readahead (fd, 0, count);
return 0;
}
""")
conf.check_cc(msg="Checking for fdatasync(2)", define_name="HAVE_FDATASYNC", fragment="""
#include <unistd.h>
int main(void)
{
int fd = 0;
fdatasync (fd);
return 0;
}
""")
conf.check_cc(msg="Checking for pread(2) and pwrite(2)", define_name="HAVE_PREADWRITE", fragment="""
#include <unistd.h>
int main(void)
{
int fd = 0;
size_t count = 1;
char buf;
off_t offset = 1;
ssize_t res;
res = pread (fd, &buf, count, offset);
res = pwrite (fd, &buf, count, offset);
return 0;
}
""")
conf.check_cc(msg="Checking for sendfile(2)" , defines=[platform_string + "=1"] , define_name="HAVE_SENDFILE" , fragment="""
# include <sys/types.h>
#if __linux
# include <sys/sendfile.h>
#elif __freebsd
# include <sys/socket.h>
# include <sys/uio.h>
#elif __hpux
# include <sys/socket.h>
#else
# error unsupported architecture
#endif
int main(void)
{
int fd = 0;
off_t offset = 1;
size_t count = 2;
ssize_t res;
#if __linux
res = sendfile (fd, fd, offset, count);
#elif __freebsd
res = sendfile (fd, fd, offset, count, 0, &offset, 0);
#elif __hpux
res = sendfile (fd, fd, offset, count, 0, 0);
#endif
return 0;
}
""")
conf.check_cc(msg="Checking for sync_file_range(2) ", fragment="""
#include <fcntl.h>
int main(void)
{
int fd = 0;
off64_t offset = 1;
off64_t nbytes = 1;
unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER;
ssize_t res;
res = sync_file_range (fd, offset, nbytes, flags);
return 0;
}
""", define_name="HAVE_SYNC_FILE_RANGE")
conf.write_config_header('config.h')
def build(bld):
libeio = bld.new_task_gen("cc", "staticlib")
libeio.source = "eio.c"
libeio.target = 'eio'
libeio.name = 'eio'
libeio.includes = '. ../..'
libeio.clone("debug");