-dnl Check for how to set a socket to non-blocking state. There seems to exist\r
-dnl four known different ways, with the one used almost everywhere being POSIX\r
-dnl and XPG3, while the other different ways for different systems (old BSD,\r
-dnl Windows and Amiga).\r
-dnl\r
-dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the\r
-dnl O_NONBLOCK define is found but does not work. This condition is attempted\r
-dnl to get caught in this script by using an excessive number of #ifdefs...\r
-dnl\r
-AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET],\r
-[\r
- AC_MSG_CHECKING([non-blocking sockets style])\r
-\r
- AC_TRY_COMPILE([\r
-/* headers for O_NONBLOCK test */\r
-#include <sys/types.h>\r
-#include <unistd.h>\r
-#include <fcntl.h>\r
-],[\r
-/* try to compile O_NONBLOCK */\r
-\r
-#if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)\r
-# if defined(__SVR4) || defined(__srv4__)\r
-# define PLATFORM_SOLARIS\r
-# else\r
-# define PLATFORM_SUNOS4\r
-# endif\r
-#endif\r
-#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX4)\r
-# define PLATFORM_AIX_V3\r
-#endif\r
-\r
-#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__)\r
-#error "O_NONBLOCK does not work on this platform"\r
-#endif\r
- int socket;\r
- int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);\r
-],[\r
-dnl the O_NONBLOCK test was fine\r
-nonblock="O_NONBLOCK"\r
-AC_DEFINE(HAVE_O_NONBLOCK, 1, [use O_NONBLOCK for non-blocking sockets])\r
-],[\r
-dnl the code was bad, try a different program now, test 2\r
-\r
- AC_TRY_COMPILE([\r
-/* headers for FIONBIO test */\r
-#include <unistd.h>\r
-#include <stropts.h>\r
-],[\r
-/* FIONBIO source test (old-style unix) */\r
- int socket;\r
- int flags = ioctl(socket, FIONBIO, &flags);\r
-],[\r
-dnl FIONBIO test was good\r
-nonblock="FIONBIO"\r
-AC_DEFINE(HAVE_FIONBIO, 1, [use FIONBIO for non-blocking sockets])\r
-],[\r
-dnl FIONBIO test was also bad\r
-dnl the code was bad, try a different program now, test 3\r
-\r
- AC_TRY_COMPILE([\r
-/* headers for ioctlsocket test (cygwin?) */\r
-#include <windows.h>\r
-],[\r
-/* ioctlsocket source code */\r
- int socket;\r
- unsigned long flags = ioctlsocket(socket, FIONBIO, &flags);\r
-],[\r
-dnl ioctlsocket test was good\r
-nonblock="ioctlsocket"\r
-AC_DEFINE(HAVE_IOCTLSOCKET, 1, [use ioctlsocket() for non-blocking sockets])\r
-],[\r
-dnl ioctlsocket didnt compile!, go to test 4\r
-\r
- AC_TRY_LINK([\r
-/* headers for IoctlSocket test (Amiga?) */\r
-#include <sys/ioctl.h>\r
-],[\r
-/* IoctlSocket source code */\r
- int socket;\r
- int flags = IoctlSocket(socket, FIONBIO, (long)1);\r
-],[\r
-dnl ioctlsocket test was good\r
-nonblock="IoctlSocket"\r
-AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1, [use Ioctlsocket() for non-blocking sockets])\r
-],[\r
-dnl Ioctlsocket didnt compile, do test 5!\r
- AC_TRY_COMPILE([\r
-/* headers for SO_NONBLOCK test (BeOS) */\r
-#include <socket.h>\r
-],[\r
-/* SO_NONBLOCK source code */\r
- long b = 1;\r
- int socket;\r
- int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));\r
-],[\r
-dnl the SO_NONBLOCK test was good\r
-nonblock="SO_NONBLOCK"\r
-AC_DEFINE(HAVE_SO_NONBLOCK, 1, [use SO_NONBLOCK for non-blocking sockets])\r
-],[\r
-dnl test 5 didnt compile!\r
-nonblock="nada"\r
-AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets])\r
-])\r
-dnl end of fifth test\r
-\r
-])\r
-dnl end of forth test\r
-\r
-])\r
-dnl end of third test\r
-\r
-])\r
-dnl end of second test\r
-\r
-])\r
-dnl end of non-blocking try-compile test\r
- AC_MSG_RESULT($nonblock)\r
-\r
- if test "$nonblock" = "nada"; then\r
- AC_MSG_WARN([non-block sockets disabled])\r
- fi\r
-])\r
-\r
-dnl We create a function for detecting which compiler we use and then set as\r
-dnl pendantic compiler options as possible for that particular compiler. The\r
-dnl options are only used for debug-builds.\r
-\r
-dnl This is a copy of the original found in curl's configure script. Don't\r
-dnl modify this one, edit the one in curl and copy it back here when that one\r
-dnl is changed.\r
-\r
-AC_DEFUN([CURL_CC_DEBUG_OPTS],\r
-[\r
- if test "$GCC" = "yes"; then\r
-\r
- dnl figure out gcc version!\r
- AC_MSG_CHECKING([gcc version])\r
- gccver=`$CC -dumpversion`\r
- num1=`echo $gccver | cut -d . -f1`\r
- num2=`echo $gccver | cut -d . -f2`\r
- gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`\r
- AC_MSG_RESULT($gccver)\r
-\r
- AC_MSG_CHECKING([if this is icc in disguise])\r
- AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],\r
- dnl action if the text is found, this it has not been replaced by the\r
- dnl cpp\r
- ICC="no"\r
- AC_MSG_RESULT([no]),\r
- dnl the text was not found, it was replaced by the cpp\r
- ICC="yes"\r
- AC_MSG_RESULT([yes])\r
- )\r
-\r
- if test "$ICC" = "yes"; then\r
- dnl this is icc, not gcc.\r
-\r
- dnl ICC warnings we ignore:\r
- dnl * 279 warns on static conditions in while expressions\r
- dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:\r
- dnl "invalid format string conversion"\r
-\r
- WARN="-wd279,269"\r
-\r
- if test "$gccnum" -gt "600"; then\r
- dnl icc 6.0 and older doesn't have the -Wall flag\r
- WARN="-Wall $WARN"\r
- fi\r
- else dnl $ICC = yes\r
- dnl \r
- WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare"\r
-\r
- dnl -Wcast-align is a bit too annoying ;-)\r
-\r
- if test "$gccnum" -ge "296"; then\r
- dnl gcc 2.96 or later\r
- WARN="$WARN -Wfloat-equal"\r
-\r
- if test "$gccnum" -gt "296"; then\r
- dnl this option does not exist in 2.96\r
- WARN="$WARN -Wno-format-nonliteral"\r
- fi\r
-\r
- dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on\r
- dnl on i686-Linux as it gives us heaps with false positives\r
- if test "$gccnum" -ge "303"; then\r
- dnl gcc 3.3 and later\r
- WARN="$WARN -Wendif-labels -Wstrict-prototypes"\r
- fi\r
- fi\r
-\r
- for flag in $CPPFLAGS; do\r
- case "$flag" in\r
- -I*)\r
- dnl include path\r
- add=`echo $flag | sed 's/^-I/-isystem /g'`\r
- WARN="$WARN $add"\r
- ;;\r
- esac\r
- done\r
-\r
- fi dnl $ICC = no\r
-\r
- CFLAGS="$CFLAGS $WARN"\r
-\r
- fi dnl $GCC = yes\r
-\r
- dnl strip off optimizer flags\r
- NEWFLAGS=""\r
- for flag in $CFLAGS; do\r
- case "$flag" in\r
- -O*)\r
- dnl echo "cut off $flag"\r
- ;;\r
- *)\r
- NEWFLAGS="$NEWFLAGS $flag"\r
- ;;\r
- esac\r
- done\r
- CFLAGS=$NEWFLAGS\r
-\r
-]) dnl end of AC_DEFUN()\r
-\r
-\r
-dnl This macro determines if the specified struct exists in the specified file\r
-dnl Syntax:\r
-dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found])\r
-\r
-AC_DEFUN([CARES_CHECK_STRUCT], [\r
- AC_MSG_CHECKING([for struct $2])\r
- AC_TRY_COMPILE([$1], \r
- [\r
- struct $2 struct_instance;\r
- ], ac_struct="yes", ac_found="no")\r
- if test "$ac_struct" = "yes" ; then\r
- AC_MSG_RESULT(yes)\r
- $3\r
- else\r
- AC_MSG_RESULT(no)\r
- $4\r
- fi\r
-])\r
-\r
-dnl This macro determines if the specified constant exists in the specified file\r
-dnl Syntax:\r
-dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])\r
-\r
-AC_DEFUN([CARES_CHECK_CONSTANT], [\r
- AC_MSG_CHECKING([for $2])\r
- AC_EGREP_CPP(VARIABLEWASDEFINED,\r
- [\r
- $1\r
-\r
- #ifdef $2\r
- VARIABLEWASDEFINED\r
- #else\r
- NJET\r
- #endif\r
- ], ac_constant="yes", ac_constant="no"\r
- )\r
- if test "$ac_constant" = "yes" ; then\r
- AC_MSG_RESULT(yes)\r
- $3\r
- else\r
- AC_MSG_RESULT(no)\r
- $4\r
- fi\r
-])\r
-\r
-\r
+dnl Check for how to set a socket to non-blocking state. There seems to exist
+dnl four known different ways, with the one used almost everywhere being POSIX
+dnl and XPG3, while the other different ways for different systems (old BSD,
+dnl Windows and Amiga).
+dnl
+dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the
+dnl O_NONBLOCK define is found but does not work. This condition is attempted
+dnl to get caught in this script by using an excessive number of #ifdefs...
+dnl
+AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET],
+[
+ AC_MSG_CHECKING([non-blocking sockets style])
+
+ AC_TRY_COMPILE([
+/* headers for O_NONBLOCK test */
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+],[
+/* try to compile O_NONBLOCK */
+
+#if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
+# if defined(__SVR4) || defined(__srv4__)
+# define PLATFORM_SOLARIS
+# else
+# define PLATFORM_SUNOS4
+# endif
+#endif
+#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX4)
+# define PLATFORM_AIX_V3
+#endif
+
+#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__)
+#error "O_NONBLOCK does not work on this platform"
+#endif
+ int socket;
+ int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
+],[
+dnl the O_NONBLOCK test was fine
+nonblock="O_NONBLOCK"
+AC_DEFINE(HAVE_O_NONBLOCK, 1, [use O_NONBLOCK for non-blocking sockets])
+],[
+dnl the code was bad, try a different program now, test 2
+
+ AC_TRY_COMPILE([
+/* headers for FIONBIO test */
+#include <unistd.h>
+#include <stropts.h>
+],[
+/* FIONBIO source test (old-style unix) */
+ int socket;
+ int flags = ioctl(socket, FIONBIO, &flags);
+],[
+dnl FIONBIO test was good
+nonblock="FIONBIO"
+AC_DEFINE(HAVE_FIONBIO, 1, [use FIONBIO for non-blocking sockets])
+],[
+dnl FIONBIO test was also bad
+dnl the code was bad, try a different program now, test 3
+
+ AC_TRY_COMPILE([
+/* headers for ioctlsocket test (cygwin?) */
+#include <windows.h>
+],[
+/* ioctlsocket source code */
+ int socket;
+ unsigned long flags = ioctlsocket(socket, FIONBIO, &flags);
+],[
+dnl ioctlsocket test was good
+nonblock="ioctlsocket"
+AC_DEFINE(HAVE_IOCTLSOCKET, 1, [use ioctlsocket() for non-blocking sockets])
+],[
+dnl ioctlsocket didnt compile!, go to test 4
+
+ AC_TRY_LINK([
+/* headers for IoctlSocket test (Amiga?) */
+#include <sys/ioctl.h>
+],[
+/* IoctlSocket source code */
+ int socket;
+ int flags = IoctlSocket(socket, FIONBIO, (long)1);
+],[
+dnl ioctlsocket test was good
+nonblock="IoctlSocket"
+AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1, [use Ioctlsocket() for non-blocking sockets])
+],[
+dnl Ioctlsocket didnt compile, do test 5!
+ AC_TRY_COMPILE([
+/* headers for SO_NONBLOCK test (BeOS) */
+#include <socket.h>
+],[
+/* SO_NONBLOCK source code */
+ long b = 1;
+ int socket;
+ int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
+],[
+dnl the SO_NONBLOCK test was good
+nonblock="SO_NONBLOCK"
+AC_DEFINE(HAVE_SO_NONBLOCK, 1, [use SO_NONBLOCK for non-blocking sockets])
+],[
+dnl test 5 didnt compile!
+nonblock="nada"
+AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets])
+])
+dnl end of fifth test
+
+])
+dnl end of forth test
+
+])
+dnl end of third test
+
+])
+dnl end of second test
+
+])
+dnl end of non-blocking try-compile test
+ AC_MSG_RESULT($nonblock)
+
+ if test "$nonblock" = "nada"; then
+ AC_MSG_WARN([non-block sockets disabled])
+ fi
+])
+
+dnl We create a function for detecting which compiler we use and then set as
+dnl pendantic compiler options as possible for that particular compiler. The
+dnl options are only used for debug-builds.
+
+dnl This is a copy of the original found in curl's configure script. Don't
+dnl modify this one, edit the one in curl and copy it back here when that one
+dnl is changed.
+
+AC_DEFUN([CURL_CC_DEBUG_OPTS],
+[
+ if test "$GCC" = "yes"; then
+
+ dnl figure out gcc version!
+ AC_MSG_CHECKING([gcc version])
+ gccver=`$CC -dumpversion`
+ num1=`echo $gccver | cut -d . -f1`
+ num2=`echo $gccver | cut -d . -f2`
+ gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
+ AC_MSG_RESULT($gccver)
+
+ AC_MSG_CHECKING([if this is icc in disguise])
+ AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
+ dnl action if the text is found, this it has not been replaced by the
+ dnl cpp
+ ICC="no"
+ AC_MSG_RESULT([no]),
+ dnl the text was not found, it was replaced by the cpp
+ ICC="yes"
+ AC_MSG_RESULT([yes])
+ )
+
+ if test "$ICC" = "yes"; then
+ dnl this is icc, not gcc.
+
+ dnl ICC warnings we ignore:
+ dnl * 279 warns on static conditions in while expressions
+ dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
+ dnl "invalid format string conversion"
+
+ WARN="-wd279,269"
+
+ if test "$gccnum" -gt "600"; then
+ dnl icc 6.0 and older doesn't have the -Wall flag
+ WARN="-Wall $WARN"
+ fi
+ else dnl $ICC = yes
+ dnl
+ WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare"
+
+ dnl -Wcast-align is a bit too annoying ;-)
+
+ if test "$gccnum" -ge "296"; then
+ dnl gcc 2.96 or later
+ WARN="$WARN -Wfloat-equal"
+
+ if test "$gccnum" -gt "296"; then
+ dnl this option does not exist in 2.96
+ WARN="$WARN -Wno-format-nonliteral"
+ fi
+
+ dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
+ dnl on i686-Linux as it gives us heaps with false positives
+ if test "$gccnum" -ge "303"; then
+ dnl gcc 3.3 and later
+ WARN="$WARN -Wendif-labels -Wstrict-prototypes"
+ fi
+ fi
+
+ for flag in $CPPFLAGS; do
+ case "$flag" in
+ -I*)
+ dnl include path
+ add=`echo $flag | sed 's/^-I/-isystem /g'`
+ WARN="$WARN $add"
+ ;;
+ esac
+ done
+
+ fi dnl $ICC = no
+
+ CFLAGS="$CFLAGS $WARN"
+
+ fi dnl $GCC = yes
+
+ dnl strip off optimizer flags
+ NEWFLAGS=""
+ for flag in $CFLAGS; do
+ case "$flag" in
+ -O*)
+ dnl echo "cut off $flag"
+ ;;
+ *)
+ NEWFLAGS="$NEWFLAGS $flag"
+ ;;
+ esac
+ done
+ CFLAGS=$NEWFLAGS
+
+]) dnl end of AC_DEFUN()
+
+
+dnl This macro determines if the specified struct exists in the specified file
+dnl Syntax:
+dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found])
+
+AC_DEFUN([CARES_CHECK_STRUCT], [
+ AC_MSG_CHECKING([for struct $2])
+ AC_TRY_COMPILE([$1],
+ [
+ struct $2 struct_instance;
+ ], ac_struct="yes", ac_found="no")
+ if test "$ac_struct" = "yes" ; then
+ AC_MSG_RESULT(yes)
+ $3
+ else
+ AC_MSG_RESULT(no)
+ $4
+ fi
+])
+
+dnl This macro determines if the specified constant exists in the specified file
+dnl Syntax:
+dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
+
+AC_DEFUN([CARES_CHECK_CONSTANT], [
+ AC_MSG_CHECKING([for $2])
+ AC_EGREP_CPP(VARIABLEWASDEFINED,
+ [
+ $1
+
+ #ifdef $2
+ VARIABLEWASDEFINED
+ #else
+ NJET
+ #endif
+ ], ac_constant="yes", ac_constant="no"
+ )
+ if test "$ac_constant" = "yes" ; then
+ AC_MSG_RESULT(yes)
+ $3
+ else
+ AC_MSG_RESULT(no)
+ $4
+ fi
+])
+
+
+dnl This macro determines how many parameters getservbyport_r takes
+AC_DEFUN([CARES_CHECK_GETSERVBYPORT_R], [
+ AC_MSG_CHECKING([how many arguments getservbyport_r takes])
+ AC_TRY_COMPILE(
+ [#include <netdb.h>],
+ [
+ int p1, p5;
+ char *p2, p4[4096];
+ struct servent *p3, *p6;
+ getservbyport_r(p1, p2, p3, p4, p5, &p6);
+ ], ac_func_getservbyport_r=6,
+ [AC_TRY_COMPILE(
+ [#include <netdb.h>],
+ [
+ int p1, p5;
+ char *p2, p4[4096];
+ struct servent *p3;
+ getservbyport_r(p1, p2, p3, p4, p5);
+ ], ac_func_getservbyport_r=5,
+ [AC_TRY_COMPILE(
+ [#include <netdb.h>],
+ [
+ int p1;
+ char *p2;
+ struct servent *p3;
+ struct servent_data p4;
+ getservbyport_r(p1, p2, p3, &p4);
+ ], ac_func_getservbyport_r=4, ac_func_getservbyport_r=0
+ )]
+ )]
+ )
+if test $ac_func_getservbyport_r != "0" ; then
+ AC_MSG_RESULT($ac_func_getservbyport_r)
+ AC_DEFINE(HAVE_GETSERVBYPORT_R, 1, [Specifies whether getservbyport_r is present])
+ AC_DEFINE_UNQUOTED(GETSERVBYPORT_R_ARGS, $ac_func_getservbyport_r, [Specifies the number of arguments to
+getservbyport_r])
+ if test $ac_func_getservbyport_r = "4" ; then
+ AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, sizeof(struct servent_data), [Specifies the size of the buffer to pass to
+getservbyport_r])
+ else
+ AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, 4096, [Specifies the size of the buffer to pass to getservbyport_r])
+ fi
+else
+ AC_MSG_RESULT([not found])
+fi
+])
+
projects / platform / upstream / c-ares.git / blobdiff