[PATCH 1 of 8] Set configure vars for crossbuild and avoid some platform tests

[Per Olav Høydahl Ohme]

# HG changeset patch
# User Per Olav Hoydahl Ohme <phoydahl at cisco.com>
# Date 1405683324 -7200
#      Fri Jul 18 13:35:24 2014 +0200
# Node ID 6368ecc92be2d8e851686d7fb02163c600b5b843
# Parent  70a0408cca7b733fc408223e13b1c0c79cf55e32
Set configure vars for crossbuild and avoid some platform tests.
Platform info from avoided tests are instead set via cmd options.

diff -r 70a0408cca7b -r 6368ecc92be2 auto/options
--- a/auto/options	Wed Jul 16 10:21:28 2014 +0400
+++ b/auto/options	Fri Jul 18 13:35:24 2014 +0200
@@ -33,6 +33,7 @@
 NGX_TEST_BUILD_RTSIG=NO
 NGX_TEST_BUILD_SOLARIS_SENDFILEV=NO
 
+NGX_CROSSBUILD=NO
 NGX_PLATFORM=
 NGX_WINE=
 
@@ -154,6 +155,15 @@
 
 NGX_POST_CONF_MSG=
 
+# MUST BE SPECIFIED FOR CROSSBUILD
+NGX_PTR_SIZE=
+NGX_MAX_SIZE_T_VALUE=
+NGX_SIZE_T_LEN=
+NGX_MAX_OFF_T_VALUE=
+NGX_OFF_T_LEN=
+NGX_TIME_T_LEN=
+NGX_SYS_NERR=
+
 opt=
 
 for option
@@ -178,7 +188,16 @@
         --user=*)                        NGX_USER="$value"          ;;
         --group=*)                       NGX_GROUP="$value"         ;;
 
-        --crossbuild=*)                  NGX_PLATFORM="$value"      ;;
+        --crossbuild=*)                  NGX_CROSSBUILD=YES
+                                         NGX_PLATFORM="$value"      ;;
+        --ptr-size=*)                    NGX_PTR_SIZE="$value"      ;;
+        --max-size-t-value=*)            NGX_MAX_SIZE_T_VALUE="$value" ;;
+        --size-t-len=*)                  NGX_SIZE_T_LEN="$value"    ;;
+        --max-off-t-value=*)             NGX_MAX_OFF_T_VALUE="$value" ;;
+        --off-t-len=*)                   NGX_OFF_T_LEN="$value"     ;;
+        --time-t-len=*)                  NGX_TIME_T_LEN="$value"    ;;
+        --sys-nerr=*)                    NGX_SYS_NERR="$value"      ;;
+        --with-root-prefixes=*)          NGX_ROOT_PREFIXES="$value" ;;
 
         --build=*)                       NGX_BUILD="$value"         ;;
         --builddir=*)                    NGX_OBJS="$value"          ;;
@@ -345,6 +364,8 @@
   --group=GROUP                      set non-privileged group for
                                      worker processes
 
+  --crossbuild=PLATFORM              set target platform for crossbuild
+
   --build=NAME                       set build name
   --builddir=DIR                     set build directory
 
diff -r 70a0408cca7b -r 6368ecc92be2 auto/unix
--- a/auto/unix	Wed Jul 16 10:21:28 2014 +0400
+++ b/auto/unix	Fri Jul 18 13:35:24 2014 +0200
@@ -460,6 +460,8 @@
 
 # C types
 
+if [ $NGX_CROSSBUILD = NO ]; then
+
 ngx_type="int"; . auto/types/sizeof
 
 ngx_type="long"; . auto/types/sizeof
@@ -469,9 +471,16 @@
 ngx_type="void *"; . auto/types/sizeof; ngx_ptr_size=$ngx_size
 ngx_param=NGX_PTR_SIZE; ngx_value=$ngx_size; . auto/types/value
 
+else
+
+ngx_param=NGX_PTR_SIZE; ngx_value=$NGX_PTR_SIZE; . auto/types/value
+
+fi
 
 # POSIX types
 
+if [ $NGX_CROSSBUILD = NO ]; then
+
 case "$NGX_AUTO_CONFIG_H" in
     /*)
         NGX_INCLUDE_AUTO_CONFIG_H="#include \"$NGX_AUTO_CONFIG_H\""
@@ -511,6 +520,22 @@
 ngx_param=NGX_TIME_T_SIZE; ngx_value=$ngx_size; . auto/types/value
 ngx_param=NGX_TIME_T_LEN; ngx_value=$ngx_max_len; . auto/types/value
 
+else
+
+ngx_type="in_port_t"; ngx_types="u_short";
+echo "typedef $ngx_types $ngx_type;" >> $NGX_AUTO_CONFIG_H
+
+ngx_param=NGX_MAX_SIZE_T_VALUE; ngx_value=$NGX_MAX_SIZE_T_VALUE
+. auto/types/value
+ngx_param=NGX_SIZE_T_LEN; ngx_value=$NGX_SIZE_T_LEN; . auto/types/value
+
+ngx_param=NGX_MAX_OFF_T_VALUE; ngx_value=$NGX_MAX_OFF_T_VALUE
+. auto/types/value
+ngx_param=NGX_OFF_T_LEN; ngx_value=$NGX_OFF_T_LEN; . auto/types/value
+
+ngx_param=NGX_TIME_T_LEN; ngx_value=$NGX_TIME_T_LEN; . auto/types/value
+
+fi
 
 # syscalls, libc calls and some features
 
@@ -825,3 +850,10 @@
                   if (getaddrinfo("localhost", NULL, NULL, &res) != 0) return 1;
                   freeaddrinfo(res)'
 . auto/feature
+
+
+if [ $NGX_CROSSBUILD = YES ]; then
+
+ngx_param=NGX_SYS_NERR; ngx_value=$NGX_SYS_NERR; . auto/types/value
+
+fi