build: Include correct poll.h

Including sys/poll.h when poll.h is available produces a compile
warning on some systems, but only sys/poll.h is present on others
such as AIX. This makes sure the most suitable poll.h is included
in each situation.

Signed-off-by: George Matsumura <gmmatsumura01@bvsd.org>

build/configure.ac.system

@@ -88,7 +88,7 @@ AC_CHECK_HEADERS([stdint.h inttypes.h sys/int_types.h])
 AC_CHECK_TYPES([uint64_t, uint128_t, __uint128_t])
 
 dnl Check for socket support for any2ppm daemon
-AC_CHECK_HEADERS([fcntl.h unistd.h signal.h sys/stat.h sys/socket.h sys/poll.h sys/un.h])
+AC_CHECK_HEADERS([fcntl.h unistd.h signal.h poll.h sys/stat.h sys/socket.h sys/poll.h sys/un.h])
 
 dnl Check for infinite loops
 AC_CHECK_FUNCS([alarm])

meson.build

@@ -44,6 +44,7 @@ check_headers = [
   ['signal.h'],
   ['sys/stat.h'],
   ['sys/socket.h'],
+  ['poll.h'],
   ['sys/poll.h'],
   ['sys/un.h'],
   ['sched.h', {'check-funcs': ['sched_getaffinity']}],

test/any2ppm.c

@@ -85,13 +85,18 @@
 #include <fcntl.h>
 #endif
 
-#if HAVE_UNISTD_H && HAVE_SIGNAL_H && HAVE_SYS_STAT_H && HAVE_SYS_SOCKET_H && HAVE_SYS_POLL_H && HAVE_SYS_UN_H
+#if HAVE_UNISTD_H && HAVE_SIGNAL_H && HAVE_SYS_STAT_H && HAVE_SYS_SOCKET_H && (HAVE_POLL_H || HAVE_SYS_POLL_H) && HAVE_SYS_UN_H
 #include <signal.h>
 #include <sys/stat.h>
 #include <sys/socket.h>
-#include <sys/poll.h>
 #include <sys/un.h>
 
+#if defined(HAVE_POLL_H)
+#include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#include <sys/poll.h>
+#endif
+
 #define SOCKET_PATH "./.any2ppm"
 #define TIMEOUT 60000 /* 60 seconds */
 

test/cairo-test-trace.c

@@ -79,15 +79,23 @@
 #include <sys/stat.h>
 #include <sys/socket.h>
 #include <sys/mman.h>
-#include <sys/poll.h>
 #include <sys/un.h>
 #include <errno.h>
 #include <assert.h>
 #include <unistd.h>
+
 #if CAIRO_HAS_REAL_PTHREAD
 #include <pthread.h>
 #endif
 
+#if defined(HAVE_POLL_H)
+#include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#include <sys/poll.h>
+#else
+#error No poll.h equivalent found
+#endif
+
 #if HAVE_FCFINI
 #include <fontconfig/fontconfig.h>
 #endif

util/cairo-sphinx/sphinx.c

@@ -15,7 +15,6 @@
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <sys/socket.h>
-#include <sys/poll.h>
 #include <sys/un.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -24,6 +23,14 @@
 #include <assert.h>
 #include <pthread.h>
 
+#if defined(HAVE_POLL_H)
+#include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#include <sys/poll.h>
+#else
+#error No poll.h equivalent found
+#endif
+
 #include <cairo.h>
 #include <cairo-script.h>
 #include <cairo-script-interpreter.h>