ead3580db2
In configure we set NXT_HAVE_LITTLE_ENDIAN for i386, amd64 and x86_64.
However that misses at least AArch64 (arm64) where it's usually run in
little endian mode.
However none of that really matters as NXT_HAVE_LITTLE_ENDIAN isn't used
anywhere. So why this patch?
The only place we need to explicitly know about endianness is the
nxt_websocket_header_t structure where we lay it out differently
depending on endianness.
This is currently done using BYTE_ORDER, LITTLE_ENDIAN and BIG_ENDIAN
macros.
However on at least illumos (OpenSolaris / OpenIndiana) those macros are
not defined and we get compiler errors due to duplicate structure
members.
So let's use our own NXT_HAVE_{BIG,LITTLE}_ENDIAN macros. However it
would be better to detect endianness programmatically as some
architectures can run in either mode, e.g Linux used to run in big
endian on PowerPC but has since switched to little endian (to match
x86).
This commit adds an auto/endian script (using a slightly modified
version of the test program from nginx's auto script), that checks for
the endianness of the platform being built on. E.g
checking for endianness ... little endian
The next commit will switch the nxt_websocket_header_t structure over to
these new macros.
Link: <https://github.com/nginx/unit/pull/298>
Link: <https://developer.ibm.com/articles/l-power-little-endian-faq-trs/>
Tested-by: Alejandro Colomar <alx@nginx.com>
Reviewed-by: Alejandro Colomar <alx@nginx.com>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
181 lines
3.2 KiB
Bash
Executable File
181 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) Igor Sysoev
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# Copyright (C) NGINX, Inc.
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# Disable localized program messages.
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LC_ALL=C
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export LC_ALL
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# Stop on error exit status.
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set -e
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# Stop on uninitialized variable.
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set -u
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# Initialize variables with null values if they are not defined.
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CFLAGS=${CFLAGS=}
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NXT_TEST_CFLAGS=${NXT_TEST_CFLAGS=}
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NXT_TEST_LIBS=${NXT_TEST_LIBS=}
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NXT_BUILD_DIR=${NXT_BUILD_DIR:-build}
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NXT_AUTOTEST=$NXT_BUILD_DIR/autotest
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NXT_AUTOCONF_ERR=$NXT_BUILD_DIR/autoconf.err
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NXT_AUTOCONF_DATA=$NXT_BUILD_DIR/autoconf.data
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NXT_AUTO_CONFIG_H=$NXT_BUILD_DIR/nxt_auto_config.h
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NXT_VERSION_H=$NXT_BUILD_DIR/nxt_version.h
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NXT_MAKEFILE=$NXT_BUILD_DIR/Makefile
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CC=${CC:-cc}
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NXT_DAEMON=unitd
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NXT_BINDIR="bin"
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NXT_SBINDIR="sbin"
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NXT_LIBDIR="lib"
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NXT_INCDIR="include"
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NXT_MANDIR="share/man"
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NXT_MODULES="modules"
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NXT_STATE="state"
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NXT_TMP="tmp"
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NXT_PID="unit.pid"
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NXT_LOG="unit.log"
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NXT_CONTROL="unix:control.unit.sock"
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NXT_USER="nobody"
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NXT_GROUP=
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nxt_module=${1:-""}
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case $nxt_module in
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""|--*)
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;;
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unit)
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shift
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;;
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*)
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. auto/modules/conf
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exit 0
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;;
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esac
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. ./version
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. auto/os/test
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. auto/options
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test -d $NXT_BUILD_DIR || mkdir $NXT_BUILD_DIR
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> $NXT_AUTOCONF_ERR
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> $NXT_AUTO_CONFIG_H
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. auto/cc/test
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cat << END >> $NXT_AUTO_CONFIG_H
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#define NXT_CONFIGURE_OPTIONS "$NXT_CONFIGURE_OPTIONS"
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#define NXT_SYSTEM_VERSION "$NXT_SYSTEM $NXT_SYSTEM_VERSION $NXT_SYSTEM_PLATFORM"
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#define NXT_COMPILER_VERSION "$NXT_CC_VERSION"
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#define NXT_PID "$NXT_PID"
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#define NXT_LOG "$NXT_LOG"
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#define NXT_MODULES "$NXT_MODULES"
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#define NXT_STATE "$NXT_STATE"
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#define NXT_TMP "$NXT_TMP"
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#define NXT_CONTROL_SOCK "$NXT_CONTROL"
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#define NXT_USER "$NXT_USER"
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#define NXT_GROUP "$NXT_GROUP"
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END
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if [ $echo = echo ]; then
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# Build a portable "echo" program that supports only "-n" option.
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# This also tests C compiler ability to create executables.
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. auto/echo/build
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fi
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nxt_have=NXT_UNIX . auto/have
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if [ $NXT_UNIX_DOMAIN = YES ]; then
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nxt_have=NXT_HAVE_UNIX_DOMAIN . auto/have
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fi
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NXT_LIBRT=
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. auto/endian
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. auto/types
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. auto/clang
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. auto/atomic
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. auto/malloc
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. auto/mmap
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. auto/shmem
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. auto/time
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. auto/threads
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. auto/events
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. auto/sockets
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. auto/sendfile
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. auto/files
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. auto/unix
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. auto/os/conf
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. auto/ssltls
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if [ $NXT_REGEX = YES ]; then
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. auto/pcre
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fi
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. auto/cgroup
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. auto/isolation
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. auto/capability
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case "$NXT_SYSTEM_PLATFORM" in
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i386 | amd64 | x86_64)
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nxt_have=NXT_HAVE_NONALIGNED . auto/have
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;;
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esac
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if [ $NXT_DEBUG = YES ]; then
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nxt_debug=1
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else
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nxt_debug=0
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fi
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cat << END >> $NXT_AUTO_CONFIG_H
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#ifndef NXT_DEBUG
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#define NXT_DEBUG $nxt_debug
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#endif
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#define NXT_SHM_PREFIX "$NXT_SHM_PREFIX"
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END
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. auto/test_build
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. auto/sources
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. auto/save
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# LOOK
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NXT_LIB_AUX_CFLAGS="$NXT_OPENSSL_CFLAGS $NXT_GNUTLS_CFLAGS \\
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$NXT_CYASSL_CFLAGS $NXT_POLARSSL_CFLAGS \\
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$NXT_PCRE_CFLAGS"
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NXT_LIB_AUX_LIBS="$NXT_OPENSSL_LIBS $NXT_GNUTLS_LIBS \\
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$NXT_CYASSL_LIBS $NXT_POLARSSL_LIBS \\
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$NXT_PCRE_LIB"
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if [ $NXT_NJS != NO ]; then
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. auto/njs
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fi
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. auto/make
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. auto/summary
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