Rewrite ninja generation scripts in Lua

3 files changed, 161 insertions, 142 deletions

diff --git a/pkg/nginx/gen.lua b/pkg/nginx/gen.lua
new file mode 100644
index 00000000..2cf1fc2c
--- /dev/null
+++ b/pkg/nginx/gen.lua
@@ -0,0 +1,161 @@
+cflags{
+	'-I $dir',
+	'-I $srcdir/src/core',
+	'-I $srcdir/src/event',
+	'-I $srcdir/src/os/unix',
+}
+local libs = {}
+pkg.deps = {}
+
+local modules = {}
+for line in io.lines(pkg.dir..'/modules.txt') do
+	if #line > 0 then
+		modules[line] = true
+	end
+end
+
+if modules['openssl'] then
+	cflags{'-I $builddir/pkg/libressl/include'}
+	table.insert(libs, {
+		'$builddir/pkg/libressl/libssl.a.d',
+		'$builddir/pkg/libressl/libcrypto.a.d',
+	})
+	table.insert(pkg.deps, 'pkg/libressl/headers')
+end
+if modules['regex'] then
+	cflags{'-I $builddir/pkg/pcre/include'}
+	table.insert(libs, '$builddir/pkg/pcre/libpcre.a')
+	table.insert(pkg.deps, 'pkg/pcre/headers')
+end
+local zlib = modules['http_gzip_filter'] or modules['http_gunzip_filter']
+for line in io.lines(pkg.dir..'/ngx_auto_config.h') do
+	if line == 'NGX_ZLIB 1' then
+		zlib = true
+		break
+	end
+end
+if zlib then
+	cflags{'-I $builddir/pkg/zlib/include'}
+	table.insert(libs, '$builddir/pkg/zlib/libz.a')
+	table.insert(pkg.deps, 'pkg/zlib/headers')
+end
+if modules['http'] then
+	cflags{'-I $srcdir/src/http', '-I $srcdir/src/http/modules'}
+end
+if modules['mail'] then
+	cflags{'-I $srcdir/src/mail'}
+end
+if modules['stream'] then
+	cflags{'-I $srcdir/src/stream'}
+end
+
+build('awk', '$outdir/ngx_modules.c', {'$dir/modules.txt', '|', '$dir/modules.awk', '$dir/sources.txt'}, {
+	expr='-f $dir/modules.awk -v sources=$dir/sources.txt'
+})
+cc('$outdir/ngx_modules.c', {'$outdir/fetch.stamp'})
+
+local sources = paths[[src/(
+	core/(
+		nginx.c
+		ngx_log.c
+		ngx_palloc.c
+		ngx_array.c
+		ngx_list.c
+		ngx_hash.c
+		ngx_buf.c
+		ngx_queue.c
+		ngx_output_chain.c
+		ngx_string.c
+		ngx_parse.c
+		ngx_parse_time.c
+		ngx_inet.c
+		ngx_file.c
+		ngx_crc32.c
+		ngx_murmurhash.c
+		ngx_md5.c
+		ngx_sha1.c
+		ngx_rbtree.c
+		ngx_radix_tree.c
+		ngx_slab.c
+		ngx_times.c
+		ngx_shmtx.c
+		ngx_connection.c
+		ngx_cycle.c
+		ngx_spinlock.c
+		ngx_rwlock.c
+		ngx_cpuinfo.c
+		ngx_conf_file.c
+		ngx_module.c
+		ngx_resolver.c
+		ngx_open_file_cache.c
+		ngx_crypt.c
+		ngx_proxy_protocol.c
+		ngx_syslog.c
+	)
+	event/(
+		ngx_event.c
+		ngx_event_timer.c
+		ngx_event_posted.c
+		ngx_event_accept.c
+		ngx_event_connect.c
+		ngx_event_pipe.c
+		modules/ngx_epoll_module.c
+	)
+	http/ngx_http_file_cache.c
+	os/unix/(
+		ngx_time.c
+		ngx_errno.c
+		ngx_alloc.c
+		ngx_files.c
+		ngx_socket.c
+		ngx_recv.c
+		ngx_readv_chain.c
+		ngx_udp_recv.c
+		ngx_send.c
+		ngx_writev_chain.c
+		ngx_udp_send.c
+		ngx_udp_sendmsg_chain.c
+		ngx_channel.c
+		ngx_shmem.c
+		ngx_process.c
+		ngx_daemon.c
+		ngx_setaffinity.c
+		ngx_setproctitle.c
+		ngx_posix_init.c
+		ngx_user.c
+		ngx_dlopen.c
+		ngx_process_cycle.c
+
+		ngx_linux_init.c
+		ngx_linux_sendfile_chain.c
+	)
+)]]
+for line in io.lines(pkg.dir..'/sources.txt') do
+	if #line > 0 and not line:hasprefix('#') then
+		local i = line:find(' ', 1, true)
+		if modules[line:sub(1, i and i - 1)] then
+			while i do
+				local j = line:find(' ', i + 1, true)
+				table.insert(sources, 'src/'..line:sub(i + 1, j and j - 1))
+				i = j
+			end
+		end
+	end
+end
+
+exe('nginx', {sources, 'ngx_modules.c.o', libs})
+file('bin/nginx', '755', '$outdir/nginx')
+file('share/nginx/mime.types', '644', '$srcdir/conf/mime.types')
+
+build('sed', '$outdir/nginx.8', '$srcdir/docs/man/nginx.8', {
+	expr={
+		'-e s,%%PREFIX%%,/run/nginx/,',
+		'-e s,%%PID_PATH%%,/run/nginx/nginx.pid,',
+		'-e s,%%CONF_PATH%%,/etc/nginx/nginx.conf,',
+		'-e s,%%ERROR_LOG_PATH%%,/var/log/nginx/error.log,',
+	},
+})
+man{'$outdir/nginx.8'}
+
+fetch 'git'
+table.insert(pkg.inputs.gen, {'$dir/sources.txt', '$dir/modules.txt', '$dir/ngx_auto_config.h'})
diff --git a/pkg/nginx/gen.rc b/pkg/nginx/gen.rc
deleted file mode 100644
index 9f70f813..00000000
--- a/pkg/nginx/gen.rc
+++ /dev/null
@@ -1,129 +0,0 @@
-cflags=(\
-	-I '$dir' \
-	-I '$srcdir'/src/core\
-	-I '$srcdir'/src/event\
-	-I '$srcdir'/src/os/unix\
-)
-libs=()
-deps=()
-if(grep -Fxq openssl modules.txt) {
-	cflags=($cflags -I '$builddir'/pkg/libressl/include)
-	libs=($libs '$builddir'/pkg/libressl/^(libssl.a.d libcrypto.a.d))
-	deps=($deps pkg/libressl/headers)
-}
-if(grep -Fxq regex modules.txt) {
-	cflags=($cflags -I '$builddir'/pkg/pcre/include)
-	libs=($libs '$builddir'/pkg/pcre/libpcre.a)
-	deps=($deps pkg/pcre/headers)
-}
-if(grep -Fxq -e http_gzip_filter -e http_gunzip_filter modules.txt || grep -Fq 'NGX_ZLIB 1' ngx_auto_config.h) {
-	cflags=($cflags -I '$builddir'/pkg/zlib/include)
-	libs=($libs '$builddir'/pkg/zlib/libz.a)
-	deps=($deps pkg/zlib/headers)
-}
-if(grep -Fxq http modules.txt)
-	cflags=($cflags -I '$srcdir'/src/http -I '$srcdir'/src/http/modules)
-if(grep -Fxq mail modules.txt)
-	cflags=($cflags -I '$srcdir'/src/mail)
-if(grep -Fxq stream modules.txt)
-	cflags=($cflags -I '$srcdir'/src/stream)
-cflags $cflags
-
-build '$outdir'/ngx_modules.c awk '$dir'/modules.txt '|' '$dir'/^(modules.awk sources.txt) ; with\
-	expr '-f $dir/modules.awk -v sources=$dir/sources.txt'
-cc '$outdir'/ngx_modules.c '||' '$outdir'/fetch.stamp
-
-srcs=src/^(\
-	core/^(\
-		nginx.c\
-		ngx_log.c\
-		ngx_palloc.c\
-		ngx_array.c\
-		ngx_list.c\
-		ngx_hash.c\
-		ngx_buf.c\
-		ngx_queue.c\
-		ngx_output_chain.c\
-		ngx_string.c\
-		ngx_parse.c\
-		ngx_parse_time.c\
-		ngx_inet.c\
-		ngx_file.c\
-		ngx_crc32.c\
-		ngx_murmurhash.c\
-		ngx_md5.c\
-		ngx_sha1.c\
-		ngx_rbtree.c\
-		ngx_radix_tree.c\
-		ngx_slab.c\
-		ngx_times.c\
-		ngx_shmtx.c\
-		ngx_connection.c\
-		ngx_cycle.c\
-		ngx_spinlock.c\
-		ngx_rwlock.c\
-		ngx_cpuinfo.c\
-		ngx_conf_file.c\
-		ngx_module.c\
-		ngx_resolver.c\
-		ngx_open_file_cache.c\
-		ngx_crypt.c\
-		ngx_proxy_protocol.c\
-		ngx_syslog.c\
-	)\
-	event/^(\
-		ngx_event.c\
-		ngx_event_timer.c\
-		ngx_event_posted.c\
-		ngx_event_accept.c\
-		ngx_event_connect.c\
-		ngx_event_pipe.c\
-		modules/ngx_epoll_module.c\
-	)\
-	http/ngx_http_file_cache.c\
-	os/unix/^(\
-		ngx_time.c\
-		ngx_errno.c\
-		ngx_alloc.c\
-		ngx_files.c\
-		ngx_socket.c\
-		ngx_recv.c\
-		ngx_readv_chain.c\
-		ngx_udp_recv.c\
-		ngx_send.c\
-		ngx_writev_chain.c\
-		ngx_udp_send.c\
-		ngx_udp_sendmsg_chain.c\
-		ngx_channel.c\
-		ngx_shmem.c\
-		ngx_process.c\
-		ngx_daemon.c\
-		ngx_setaffinity.c\
-		ngx_setproctitle.c\
-		ngx_posix_init.c\
-		ngx_user.c\
-		ngx_dlopen.c\
-		ngx_process_cycle.c\
-		\
-		ngx_linux_init.c\
-		ngx_linux_sendfile_chain.c\
-	)\
-	`{awk -f sources.awk -v 'sources=sources.txt' modules.txt}\
-)
-checkstatus
-
-phony deps $deps
-exe nginx -d '$dir'/deps $srcs ngx_modules.c.o $libs
-file bin/nginx '$outdir'/nginx 755
-file share/nginx/mime.types '$srcdir'/conf/mime.types 644
-
-build '$outdir'/nginx.8 sed '$srcdir'/docs/man/nginx.8 ; expr=(\
-	-e 's,%%PREFIX%%,/run/nginx/,' \
-	-e 's,%%PID_PATH%%,/run/nginx/nginx.pid,' \
-	-e 's,%%CONF_PATH%%,/etc/nginx/nginx.conf,' \
-	-e 's,%%ERROR_LOG_PATH%%,/var/log/nginx/error.log,' \
-) with expr $"expr
-man -d '$outdir' 8 nginx.8
-
-fetch git
-gen_inputs='$dir'/^(sources.awk sources.txt modules.txt)
diff --git a/pkg/nginx/sources.awk b/pkg/nginx/sources.awk
deleted file mode 100644
index 212c1310..00000000
--- a/pkg/nginx/sources.awk
+++ /dev/null
@@ -1,13 +0,0 @@
-/^(#|$)/ { next }
-{
-	enabled[$0] = 1
-}
-
-END {
-	while (getline < sources) {
-		if (!enabled[$1])
-			continue
-		for (i = 2; i <= NF; ++i)
-			print $i
-	}
-}