|  | 
 | # Copyright (C) Igor Sysoev | 
 |  | 
 |  | 
 | echo "checking for $NGX_SYSTEM specific features" | 
 |  | 
 | case "$NGX_PLATFORM" in | 
 |  | 
 |     FreeBSD:*) | 
 |         . auto/os/freebsd | 
 |     ;; | 
 |  | 
 |     Linux:*) | 
 |         . auto/os/linux | 
 |     ;; | 
 |  | 
 |     SunOS:*) | 
 |         . auto/os/solaris | 
 |     ;; | 
 |  | 
 |     Darwin:*) | 
 |         . auto/os/darwin | 
 |     ;; | 
 |  | 
 |     win32) | 
 |         . auto/os/win32 | 
 |     ;; | 
 |  | 
 |     DragonFly:*) | 
 |         have=NGX_FREEBSD . auto/have_headers | 
 |         CORE_INCS="$UNIX_INCS" | 
 |         CORE_DEPS="$UNIX_DEPS $FREEBSD_DEPS" | 
 |         CORE_SRCS="$UNIX_SRCS $FREEBSD_SRCS" | 
 |  | 
 |         echo " + sendfile() found" | 
 |         have=NGX_HAVE_SENDFILE . auto/have | 
 |         CORE_SRCS="$CORE_SRCS $FREEBSD_SENDFILE_SRCS" | 
 |  | 
 |         ngx_spacer=' | 
 | ' | 
 |     ;; | 
 |  | 
 |     HP-UX:*) | 
 |         # HP/UX | 
 |         have=NGX_HPUX . auto/have_headers | 
 |         CORE_INCS="$UNIX_INCS" | 
 |         CORE_DEPS="$UNIX_DEPS $POSIX_DEPS" | 
 |         CORE_SRCS="$UNIX_SRCS" | 
 |         CC_AUX_FLAGS="$CC_AUX_FLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1" | 
 |     ;; | 
 |  | 
 |     OSF1:*) | 
 |         # Tru64 UNIX | 
 |         have=NGX_TRU64 . auto/have_headers | 
 |         have=NGX_HAVE_STRERROR_R . auto/nohave | 
 |         CORE_INCS="$UNIX_INCS" | 
 |         CORE_DEPS="$UNIX_DEPS $POSIX_DEPS" | 
 |         CORE_SRCS="$UNIX_SRCS" | 
 |     ;; | 
 |  | 
 |     *) | 
 |         CORE_INCS="$UNIX_INCS" | 
 |         CORE_DEPS="$UNIX_DEPS $POSIX_DEPS" | 
 |         CORE_SRCS="$UNIX_SRCS" | 
 |     ;; | 
 |  | 
 | esac | 
 |  | 
 |  | 
 | case "$NGX_MACHINE" in | 
 |  | 
 |     i386 | i686 | i86pc) | 
 |         have=NGX_HAVE_NONALIGNED . auto/have | 
 |         NGX_MACH_CACHE_LINE=32 | 
 |     ;; | 
 |  | 
 |     amd64 | x86_64) | 
 |         have=NGX_HAVE_NONALIGNED . auto/have | 
 |         NGX_MACH_CACHE_LINE=64 | 
 |     ;; | 
 |  | 
 |     sun4u | sun4v | sparc | sparc64) | 
 |         have=NGX_ALIGNMENT value=16 . auto/define | 
 |         # TODO | 
 |         NGX_MACH_CACHE_LINE=64 | 
 |     ;; | 
 |  | 
 |     ia64 ) | 
 |         have=NGX_ALIGNMENT value=16 . auto/define | 
 |         # TODO | 
 |         NGX_MACH_CACHE_LINE=64 | 
 |     ;; | 
 |  | 
 |     *) | 
 |         NGX_MACH_CACHE_LINE=32 | 
 |     ;; | 
 |  | 
 | esac | 
 |  | 
 | if test -z "$NGX_CPU_CACHE_LINE"; then | 
 |     NGX_CPU_CACHE_LINE=$NGX_MACH_CACHE_LINE | 
 | fi | 
 |  | 
 | have=NGX_CPU_CACHE_LINE value=$NGX_CPU_CACHE_LINE . auto/define |