diff --git a/configure.ac b/configure.ac
index a63354f296866..6d1f98ca4e580 100644
--- a/configure.ac
+++ b/configure.ac
@@ -415,7 +415,7 @@ dnl to avoid -lnsl checks, if we already have the functions which
 dnl are usually in libnsl
 dnl Also, uClibc will bark at linking with glibc's libnsl.
 
-PHP_CHECK_FUNC(socket, socket)
+PHP_CHECK_FUNC(socket, socket, network)
 PHP_CHECK_FUNC(socketpair, socket)
 PHP_CHECK_FUNC(htonl, socket)
 PHP_CHECK_FUNC(gethostname, nsl)
@@ -429,8 +429,8 @@ fi
 AC_CHECK_LIB(m, sin)
 
 dnl Check for inet_aton
-dnl in -lc, -lbind and -lresolv
-PHP_CHECK_FUNC(inet_aton, resolv, bind)
+dnl in -lc, -lbind, -lresolv and -lnetwork
+PHP_CHECK_FUNC(inet_aton, resolv, bind, network)
 
 dnl Then headers.
 dnl -------------------------------------------------------------------------
diff --git a/ext/bz2/config.m4 b/ext/bz2/config.m4
index 55917c07f4212..4b91263969496 100644
--- a/ext/bz2/config.m4
+++ b/ext/bz2/config.m4
@@ -6,7 +6,7 @@ PHP_ARG_WITH(bz2, for BZip2 support,
 [  --with-bz2[=DIR]          Include BZip2 support])
 
 if test "$PHP_BZ2" != "no"; then
-  if test -r $PHP_BZ2/include/bzlib.h; then
+  if test -r "$PHP_BZ2/include/bzlib.h" || test -r "$PHP_BZ2/develop/headers/bzlib.h"; then
     BZIP_DIR=$PHP_BZ2
   else
     AC_MSG_CHECKING(for BZip2 in default path)
diff --git a/ext/curl/config.m4 b/ext/curl/config.m4
index c0d4f864a2717..108738479064d 100644
--- a/ext/curl/config.m4
+++ b/ext/curl/config.m4
@@ -23,6 +23,9 @@ if test "$PHP_CURL" != "no"; then
     elif test -r $PHP_CURL/lib/pkgconfig/libcurl.pc; then
       PKNAME=$PHP_CURL/lib/pkgconfig/libcurl.pc
       AC_MSG_RESULT(using $PKNAME)
+    elif test -r $PHP_CURL/develop/lib/pkgconfig/libcurl.pc; then
+      PKNAME=$PHP_CURL/develop/lib/pkgconfig/libcurl.pc
+      AC_MSG_RESULT(using $PKNAME)
     else
       AC_MSG_RESULT(not found)
       AC_MSG_WARN(Could not find libcurl.pc. Try without $PHP_CURL or set PKG_CONFIG_PATH)
@@ -45,11 +48,11 @@ if test "$PHP_CURL" != "no"; then
     dnl fallback to old vay, using curl-config
     AC_MSG_WARN(Fallback: search for curl headers and curl-config)
 
-    if test -r $PHP_CURL/include/curl/easy.h; then
+    if test -r $PHP_CURL/include/curl/easy.h || test -r $PHP_CURL/develop/headers/curl/easy.h; then
       CURL_DIR=$PHP_CURL
     else
       AC_MSG_CHECKING(for cURL in default path)
-      for i in /usr/local /usr; do
+      for i in /usr/local /usr /system; do
         if test -r $i/include/curl/easy.h; then
           CURL_DIR=$i
           AC_MSG_RESULT(found in $i)
diff --git a/ext/gd/config.m4 b/ext/gd/config.m4
index 7fe9ed995efaa..de82ab7ded21e 100644
--- a/ext/gd/config.m4
+++ b/ext/gd/config.m4
@@ -50,17 +50,23 @@ AC_DEFUN([PHP_GD_ZLIB],[
 		elif test -f "$PHP_ZLIB_DIR/include/zlib.h"; then
 			PHP_ZLIB_DIR="$PHP_ZLIB_DIR"
 			PHP_ZLIB_INCDIR="$PHP_ZLIB_DIR/include"
+		elif test -f "$PHP_ZLIB_DIR/develop/headers/zlib.h"; then
+			PHP_ZLIB_DIR="$PHP_ZLIB_DIR"
+			PHP_ZLIB_INCDIR="$PHP_ZLIB_DIR/develop/headers"
 		else
 			AC_MSG_ERROR([Can't find zlib headers under "$PHP_ZLIB_DIR"])
 		fi
 	else
-		for i in /usr/local /usr; do
+		for i in /usr/local /usr /system; do
 			if test -f "$i/include/zlib/zlib.h"; then
 				PHP_ZLIB_DIR="$i"
 				PHP_ZLIB_INCDIR="$i/include/zlib"
 			elif test -f "$i/include/zlib.h"; then
 				PHP_ZLIB_DIR="$i"
 				PHP_ZLIB_INCDIR="$i/include"
+			elif test -f "$i/develop/headers/zlib.h"; then
+				PHP_ZLIB_DIR="$i"
+				PHP_ZLIB_INCDIR="$i/develop/headers"
 			fi
 		done
 	fi
@@ -71,6 +77,7 @@ AC_DEFUN([PHP_GD_WEBP],[
 
     for i in $PHP_WEBP_DIR /usr/local /usr; do
       test -f $i/include/webp/decode.h && GD_WEBP_DIR=$i && break
+      test -f $i/develop/headers/webp/decode.h && GD_WEBP_DIR=$i && break
     done
 
     if test -z "$GD_WEBP_DIR"; then
@@ -79,6 +86,7 @@ AC_DEFUN([PHP_GD_WEBP],[
 
     for i in $PHP_WEBP_DIR /usr/local /usr; do
       test -f $i/include/webp/encode.h && GD_WEBP_DIR=$i && break
+      test -f $i/develop/headers/webp/encode.h && GD_WEBP_DIR=$i && break
     done
 
     if test -z "$GD_WEBP_DIR"; then
@@ -103,8 +111,9 @@ AC_DEFUN([PHP_GD_WEBP],[
 AC_DEFUN([PHP_GD_JPEG],[
   if test "$PHP_JPEG_DIR" != "no"; then
 
-    for i in $PHP_JPEG_DIR /usr/local /usr; do
+    for i in $PHP_JPEG_DIR /usr/local /usr /system; do
       test -f $i/include/jpeglib.h && GD_JPEG_DIR=$i && break
+      test -f $i/develop/headers/jpeglib.h && GD_JPEG_DIR=$i && break
     done
 
     if test -z "$GD_JPEG_DIR"; then
@@ -130,6 +139,7 @@ AC_DEFUN([PHP_GD_PNG],[
 
     for i in $PHP_PNG_DIR /usr/local /usr; do
       test -f $i/include/png.h && GD_PNG_DIR=$i && break
+      test -f $i/develop/headers/png.h && GD_PNG_DIR=$i && break
     done
 
     if test -z "$GD_PNG_DIR"; then
@@ -162,6 +172,8 @@ AC_DEFUN([PHP_GD_XPM],[
     for i in $PHP_XPM_DIR /usr/local /usr/X11R6 /usr; do
       test -f $i/include/xpm.h && GD_XPM_DIR=$i && GD_XPM_INC=$i && break
       test -f $i/include/X11/xpm.h && GD_XPM_DIR=$i && GD_XPM_INC=$i/X11 && break
+      test -f $i/develop/headers/xpm.h && GD_XPM_DIR=$i && GD_XPM_INC=$i && break
+      test -f $i/develop/headers/X11/xpm.h && GD_XPM_DIR=$i && GD_XPM_INC=$i/X11 && break
     done
 
     if test -z "$GD_XPM_DIR"; then
@@ -186,7 +198,7 @@ AC_DEFUN([PHP_GD_XPM],[
 AC_DEFUN([PHP_GD_FREETYPE2],[
   if test "$PHP_FREETYPE_DIR" != "no"; then
 
-    for i in $PHP_FREETYPE_DIR /usr/local /usr; do
+    for i in $PHP_FREETYPE_DIR /usr/local /usr /system; do
       if test -f "$i/bin/freetype-config"; then
         FREETYPE2_DIR=$i
         FREETYPE2_CONFIG="$i/bin/freetype-config"
@@ -220,7 +232,9 @@ AC_DEFUN([PHP_GD_CHECK_VERSION],[
   PHP_CHECK_LIBRARY(gd, gdImageCreateFromPng,   [AC_DEFINE(HAVE_GD_PNG,              1, [ ])], [], [ $GD_SHARED_LIBADD ])
   PHP_CHECK_LIBRARY(gd, gdImageCreateFromWebp,  [AC_DEFINE(HAVE_GD_WEBP,             1, [ ])], [], [ $GD_SHARED_LIBADD ])
   PHP_CHECK_LIBRARY(gd, gdImageCreateFromJpeg,  [AC_DEFINE(HAVE_GD_JPG,              1, [ ])], [], [ $GD_SHARED_LIBADD ])
-  PHP_CHECK_LIBRARY(gd, gdImageCreateFromXpm,   [AC_DEFINE(HAVE_GD_XPM,              1, [ ])], [], [ $GD_SHARED_LIBADD ])
+  if test -n "$GD_XPM_DIR"; then
+      PHP_CHECK_LIBRARY(gd, gdImageCreateFromXpm,   [AC_DEFINE(HAVE_GD_XPM,              1, [ ])], [], [ $GD_SHARED_LIBADD ])
+  fi
   PHP_CHECK_LIBRARY(gd, gdImageCreateFromBmp,   [AC_DEFINE(HAVE_GD_BMP,              1, [ ])], [], [ $GD_SHARED_LIBADD ])
   PHP_CHECK_LIBRARY(gd, gdImageStringFT,        [AC_DEFINE(HAVE_GD_FREETYPE,         1, [ ])], [], [ $GD_SHARED_LIBADD ])
   PHP_CHECK_LIBRARY(gd, gdVersionString,        [AC_DEFINE(HAVE_GD_LIBVERSION,       1, [ ])], [], [ $GD_SHARED_LIBADD ])
@@ -317,7 +331,7 @@ dnl Various checks for GD features
   PHP_GD_FREETYPE2
 
 dnl Header path
-  for i in include/gd include/gd2 include gd ""; do
+  for i in include/gd include/gd2 include gd develop/headers ""; do
     test -f "$PHP_GD/$i/gd.h" && GD_INCLUDE="$PHP_GD/$i"
   done
 
diff --git a/ext/gettext/config.m4 b/ext/gettext/config.m4
index c82be9cc057b6..f905609ac59c2 100644
--- a/ext/gettext/config.m4
+++ b/ext/gettext/config.m4
@@ -6,8 +6,9 @@ PHP_ARG_WITH(gettext,for GNU gettext support,
 [  --with-gettext[=DIR]      Include GNU gettext support])
 
 if test "$PHP_GETTEXT" != "no"; then
-  for i in $PHP_GETTEXT /usr/local /usr; do
-    test -r $i/include/libintl.h && GETTEXT_DIR=$i && break
+  for i in $PHP_GETTEXT /usr/local /usr /system; do
+    test -r $i/include/libintl.h && GETTEXT_DIR=$i && GETTEXT_INCDIR=$GETTEXT_DIR/include && break
+    test -r $i/develop/headers/libintl.h && GETTEXT_DIR=$i && GETTEXT_INCDIR=$GETTEXT_DIR/develop/headers && break
   done
 
   if test -z "$GETTEXT_DIR"; then
@@ -15,7 +16,6 @@ if test "$PHP_GETTEXT" != "no"; then
   fi
 
   GETTEXT_LIBDIR=$GETTEXT_DIR/$PHP_LIBDIR
-  GETTEXT_INCDIR=$GETTEXT_DIR/include
   
   O_LDFLAGS=$LDFLAGS
   LDFLAGS="$LDFLAGS -L$GETTEXT_LIBDIR"
diff --git a/ext/gmp/config.m4 b/ext/gmp/config.m4
index 22cca7eaf208e..0623949d5466b 100644
--- a/ext/gmp/config.m4
+++ b/ext/gmp/config.m4
@@ -8,6 +8,7 @@ if test "$PHP_GMP" != "no"; then
   for i in $PHP_GMP /usr/local /usr; do
     test -f $i/include/gmp.h && GMP_DIR=$i && break
     test -f $i/include/$MACHINE_INCLUDES/gmp.h && GMP_DIR=$i && break
+    test -f $i/develop/headers/gmp.h && GMP_DIR=$i && break
   done
 
   if test -z "$GMP_DIR"; then
diff --git a/ext/pcntl/pcntl.c b/ext/pcntl/pcntl.c
index f9ea76de4ff86..552b557fb18d6 100644
--- a/ext/pcntl/pcntl.c
+++ b/ext/pcntl/pcntl.c
@@ -301,7 +301,9 @@ void php_register_signal_constants(INIT_FUNC_ARGS)
 #ifdef SIGPOLL
 	REGISTER_LONG_CONSTANT("SIGPOLL",  (zend_long) SIGPOLL, CONST_CS | CONST_PERSISTENT);
 #endif
+#ifdef SIGIO
 	REGISTER_LONG_CONSTANT("SIGIO",    (zend_long) SIGIO, CONST_CS | CONST_PERSISTENT);
+#endif
 #ifdef SIGPWR
 	REGISTER_LONG_CONSTANT("SIGPWR",   (zend_long) SIGPWR, CONST_CS | CONST_PERSISTENT);
 #endif
@@ -622,7 +624,7 @@ PHP_FUNCTION(pcntl_alarm)
 
 #define PHP_RUSAGE_PARA(from, to, field) \
 	add_assoc_long(to, #field, from.field)
-#ifndef _OSD_POSIX
+#if !defined(_OSD_POSIX) && !defined(__HAIKU__)
 	#define PHP_RUSAGE_SPECIAL(from, to) \
 		PHP_RUSAGE_PARA(from, to, ru_oublock); \
 		PHP_RUSAGE_PARA(from, to, ru_inblock); \
diff --git a/ext/pdo_sqlite/config.m4 b/ext/pdo_sqlite/config.m4
index b050eea4f1c5d..9d54cb93ac54e 100644
--- a/ext/pdo_sqlite/config.m4
+++ b/ext/pdo_sqlite/config.m4
@@ -33,7 +33,7 @@ if test "$PHP_PDO_SQLITE" != "no"; then
   php_pdo_sqlite_sources_core="pdo_sqlite.c sqlite_driver.c sqlite_statement.c"
 
   if test "$PHP_PDO_SQLITE" != "yes"; then
-    SEARCH_PATH="$PHP_PDO_SQLITE /usr/local /usr"     # you might want to change this
+    SEARCH_PATH="$PHP_PDO_SQLITE /usr/local /usr /system"     # you might want to change this
     SEARCH_FOR="/include/sqlite3.h"  # you most likely want to change this
     if test -r $PHP_PDO_SQLITE/$SEARCH_FOR; then # path given as parameter
       PDO_SQLITE_DIR=$PHP_PDO_SQLITE
@@ -43,6 +43,9 @@ if test "$PHP_PDO_SQLITE" != "no"; then
         if test -r $i/$SEARCH_FOR; then
           PDO_SQLITE_DIR=$i
           AC_MSG_RESULT(found in $i)
+        elif test -r $i/develop/headers/sqlite3.h; then
+          PDO_SQLITE_DIR=$i
+          AC_MSG_RESULT(found in $i)
         fi
       done
     fi
diff --git a/ext/readline/config.m4 b/ext/readline/config.m4
index 0a00370fce579..04b2c2e73a533 100644
--- a/ext/readline/config.m4
+++ b/ext/readline/config.m4
@@ -14,8 +14,9 @@ else
 fi
 
 if test "$PHP_READLINE" && test "$PHP_READLINE" != "no"; then
-  for i in $PHP_READLINE /usr/local /usr; do
+  for i in $PHP_READLINE /usr/local /usr /system; do
     test -f $i/include/readline/readline.h && READLINE_DIR=$i && break
+    test -f $i/develop/headers/readline/readline.h && READLINE_DIR=$i && break
   done
 
   if test -z "$READLINE_DIR"; then
diff --git a/ext/sqlite3/config0.m4 b/ext/sqlite3/config0.m4
index 0e5fbc5d1dbc8..5f7d83776cf15 100644
--- a/ext/sqlite3/config0.m4
+++ b/ext/sqlite3/config0.m4
@@ -27,6 +27,10 @@ if test $PHP_SQLITE3 != "no"; then
         SQLITE3_DIR=$i
         AC_MSG_RESULT(found in $i)
         break
+      elif test -r $i/develop/headers/sqlite3.h; then
+        SQLITE3_DIR=$i
+        AC_MSG_RESULT(found in $i)
+        break
       fi
     done
 
diff --git a/ext/standard/microtime.c b/ext/standard/microtime.c
index aa63a6e42e9da..9a0eae32942fa 100644
--- a/ext/standard/microtime.c
+++ b/ext/standard/microtime.c
@@ -136,7 +136,7 @@ PHP_FUNCTION(getrusage)
 #ifdef PHP_WIN32 /* Windows only implements a limited amount of fields from the rusage struct */
 	PHP_RUSAGE_PARA(ru_majflt);
 	PHP_RUSAGE_PARA(ru_maxrss);
-#elif !defined(_OSD_POSIX)
+#elif !defined(_OSD_POSIX) && !defined(__HAIKU__)
 	PHP_RUSAGE_PARA(ru_oublock);
 	PHP_RUSAGE_PARA(ru_inblock);
 	PHP_RUSAGE_PARA(ru_msgsnd);
diff --git a/ext/zip/config.m4 b/ext/zip/config.m4
index 6422b8f5933fd..5ec6baf21eb75 100644
--- a/ext/zip/config.m4
+++ b/ext/zip/config.m4
@@ -26,17 +26,23 @@ if test "$PHP_ZIP" != "no"; then
     elif test -f "$PHP_ZLIB_DIR/include/zlib.h"; then
       PHP_ZLIB_DIR="$PHP_ZLIB_DIR"
       PHP_ZLIB_INCDIR="$PHP_ZLIB_DIR/include"
+    elif test -f "$PHP_ZLIB_DIR/develop/headers/zlib.h"; then
+      PHP_ZLIB_DIR="$PHP_ZLIB_DIR"
+      PHP_ZLIB_INCDIR="$PHP_ZLIB_DIR/develop/headers"
     else
       AC_MSG_ERROR([Can not find zlib headers under "$PHP_ZLIB_DIR"])
     fi
   else
-    for i in /usr/local /usr; do
+    for i in /usr/local /usr /system; do
       if test -f "$i/include/zlib/zlib.h"; then
         PHP_ZLIB_DIR="$i"
         PHP_ZLIB_INCDIR="$i/include/zlib"
       elif test -f "$i/include/zlib.h"; then
         PHP_ZLIB_DIR="$i"
         PHP_ZLIB_INCDIR="$i/include"
+      elif test -f "$i/develop/headers/zlib.h"; then
+        PHP_ZLIB_DIR="$i"
+        PHP_ZLIB_INCDIR="$i/develop/headers"
       fi
     done
   fi
@@ -73,13 +79,19 @@ if test "$PHP_ZIP" != "no"; then
       fi
 
     else
-      for i in /usr/local /usr; do
+      for i in /usr/local /usr /system; do
         if test -r $i/include/zip.h; then
           LIBZIP_CFLAGS="-I$i/include"
           LIBZIP_LIBDIR="$i/$PHP_LIBDIR"
           AC_MSG_RESULT(in default path: found in $i)
           break
         fi
+        if test -r $i/develop/headers/zip.h; then
+          LIBZIP_CFLAGS="-I$i/develop/headers"
+          LIBZIP_LIBDIR="$i/$PHP_LIBDIR"
+          AC_MSG_RESULT(in default path: found in $i)
+          break
+        fi
       done
     fi
 
diff --git a/ext/zlib/config0.m4 b/ext/zlib/config0.m4
index ab94c15fe0a35..0d12f7b7f8056 100644
--- a/ext/zlib/config0.m4
+++ b/ext/zlib/config0.m4
@@ -19,15 +19,21 @@ if test "$PHP_ZLIB" != "no" || test "$PHP_ZLIB_DIR" != "no"; then
     elif test -f $PHP_ZLIB/include/zlib.h; then
       ZLIB_DIR=$PHP_ZLIB
       ZLIB_INCDIR=$ZLIB_DIR/include
+    elif test -f $PHP_ZLIB/develop/headers/zlib.h; then
+      ZLIB_DIR=$PHP_ZLIB
+      ZLIB_INCDIR=$ZLIB_DIR/develop/headers
     fi
   else 
-    for i in /usr/local /usr $PHP_ZLIB_DIR; do
+    for i in /usr/local /usr /system $PHP_ZLIB_DIR; do
       if test -f $i/include/zlib/zlib.h; then
         ZLIB_DIR=$i
         ZLIB_INCDIR=$i/include/zlib
       elif test -f $i/include/zlib.h; then
         ZLIB_DIR=$i
         ZLIB_INCDIR=$i/include
+      elif test -f $i/develop/headers/zlib.h; then
+        ZLIB_DIR=$i
+        ZLIB_INCDIR=$i/develop/headers
       fi
     done
   fi
@@ -42,7 +48,7 @@ if test "$PHP_ZLIB" != "no" || test "$PHP_ZLIB_DIR" != "no"; then
   esac
 
   AC_MSG_CHECKING([for zlib version >= 1.2.0.4])
-  ZLIB_VERSION=`$EGREP "define ZLIB_VERSION" $ZLIB_DIR/include/zlib.h | $SED -e 's/[[^0-9\.]]//g'`
+  ZLIB_VERSION=`$EGREP "define ZLIB_VERSION" $ZLIB_INCDIR/zlib.h | $SED -e 's/[[^0-9\.]]//g'`
   AC_MSG_RESULT([$ZLIB_VERSION])
   if test `echo $ZLIB_VERSION | $SED -e 's/[[^0-9]]/ /g' | $AWK '{print $1*1000000 + $2*10000 + $3*100 + $4}'` -lt 1020004; then
     AC_MSG_ERROR([libz version greater or equal to 1.2.0.4 required])
diff --git a/sapi/fpm/fpm/fpm_children.c b/sapi/fpm/fpm/fpm_children.c
index b48fa54f532a2..889ec2f09db43 100644
--- a/sapi/fpm/fpm/fpm_children.c
+++ b/sapi/fpm/fpm/fpm_children.c
@@ -204,13 +204,17 @@ void fpm_children_bury() /* {{{ */
 
 		} else if (WIFSIGNALED(status)) {
 			const char *signame = fpm_signal_names[WTERMSIG(status)];
-			const char *have_core = WCOREDUMP(status) ? " - core dumped" : "";
+			#ifdef WCOREDUMP
+				const char *have_core = WCOREDUMP(status) ? " - core dumped" : "";
+			#endif
 
 			if (signame == NULL) {
 				signame = "";
 			}
 
-			snprintf(buf, sizeof(buf), "on signal %d (%s%s)", WTERMSIG(status), signame, have_core);
+			#ifndef __HAIKU__
+				snprintf(buf, sizeof(buf), "on signal %d (%s%s)", WTERMSIG(status), signame, have_core);
+			#endif
 
 			/* if it's been killed because of dynamic process management
 			 * don't restart it automaticaly
diff --git a/sapi/fpm/fpm/fpm_unix.c b/sapi/fpm/fpm/fpm_unix.c
index 6089e3109edf7..293546ba2d598 100644
--- a/sapi/fpm/fpm/fpm_unix.c
+++ b/sapi/fpm/fpm/fpm_unix.c
@@ -373,10 +373,15 @@ int fpm_unix_init_child(struct fpm_worker_pool_s *wp) /* {{{ */
 	if (is_root) {
 
 		if (wp->config->process_priority != 64) {
-			if (setpriority(PRIO_PROCESS, 0, wp->config->process_priority) < 0) {
-				zlog(ZLOG_SYSERROR, "[pool %s] Unable to set priority for this new process", wp->config->name);
+			#ifndef __HAIKU__
+				if (setpriority(PRIO_PROCESS, 0, wp->config->process_priority) < 0) {
+					zlog(ZLOG_SYSERROR, "[pool %s] Unable to set priority for this new process", wp->config->name);
+					return -1;
+				}
+			#else
 				return -1;
-			}
+			#endif
+
 		}
 
 		if (wp->set_gid) {
@@ -560,10 +565,14 @@ int fpm_unix_init_main() /* {{{ */
 
 	if (fpm_global_config.process_priority != 64) {
 		if (is_root) {
-			if (setpriority(PRIO_PROCESS, 0, fpm_global_config.process_priority) < 0) {
-				zlog(ZLOG_SYSERROR, "Unable to set priority for the master process");
+			#ifndef __HAIKU__
+				if (setpriority(PRIO_PROCESS, 0, fpm_global_config.process_priority) < 0) {
+					zlog(ZLOG_SYSERROR, "Unable to set priority for the master process");
+					return -1;
+				}
+			#else
 				return -1;
-			}
+			#endif
 		} else {
 			zlog(ZLOG_NOTICE, "'process.priority' directive is ignored when FPM is not running as root");
 		}
diff --git a/sapi/phpdbg/phpdbg.c b/sapi/phpdbg/phpdbg.c
index 5ef6b59d648a8..e90f77fed0211 100644
--- a/sapi/phpdbg/phpdbg.c
+++ b/sapi/phpdbg/phpdbg.c
@@ -1736,7 +1736,7 @@ int main(int argc, char **argv) /* {{{ */
 				exit(0);
 			}
 
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(__HAIKU__)
 			zend_sigaction(SIGIO, &sigio_struct, NULL);
 #endif