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This commit is contained in:
Axel Kittenberger 2010-10-26 20:29:12 +00:00
parent 34753fa43c
commit 5cff9a8583
3 changed files with 52 additions and 6 deletions
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15
Makefile.am
View File

@ -3,3 +3,18 @@ CFLAGS = -Wall $(LIBLUA_CFLAGS)
bin_PROGRAMS = lsyncd
lsyncd_SOURCES = lsyncd.c
lsyncd_LDADD = $(LIBLUA_LIBS)
if RUNNER
else
lsyncd: luac.o $(lsyncd_LDADD)
architecture: | lsyncd.o
objdump -f $< | grep architecture | sed -e "s/,.*$$//" -e "s/[^ ]* \(.*\)/\1/" > $@ || rm architecture
luac.o: luac.out architecture
objcopy --input-target=binary --output-target=`gcc -dumpmachine` --binary-architecture=`cat architecture` $< $@
luac.out: lsyncd.lua
luac $<
endif

11
configure.ac
View File

@ -12,8 +12,17 @@ AC_PROG_MAKE_SET
# Checks for libraries.
PKG_CHECK_MODULES(LIBLUA, lua5.1)
# Checks for header files.
AC_CHECK_HEADERS([sys/inotify.h])
AC_ARG_WITH([runner],
[ --with-runner=<file> Specify place where lsyncds part written in Lua will be placed.
If missing it will be compiled into the binary)])
if test "x${with_runner}" != x; then
AC_DEFINE_UNQUOTED(LSYNCD_DEFAULT_RUNNER_FILE, "${with_runner}", "descr")
fi
AM_CONDITIONAL([RUNNER], [test x${with_runner} != x])
# Checks for typedefs, structures, and compiler characteristics.
# Checks for library functions.
AC_CHECK_HEADERS([sys/inotify.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

30
lsyncd.c
View File

@ -71,7 +71,10 @@ enum event_type {
/**
* The Lua part of lsyncd.
*/
#define LSYNCD_DEFAULT_RUNNER_FILE "lsyncd.lua"
//#define LSYNCD_DEFAULT_RUNNER_FILE "lsyncd.lua"
extern char _binary_luac_out_start;
extern char _binary_luac_out_end;
static char * lsyncd_runner_file = NULL;
static char * lsyncd_config_file = NULL;
@ -1017,6 +1020,7 @@ main(int argc, char *argv[])
lua_pushinteger(L, ERROR); lua_setglobal(L, "ERROR");
/* TODO parse runner */
#ifdef LSYNCD_DEFAULT_RUNNER_FILE
if (!strcmp(argv[argp], "--runner")) {
if (argc < 3) {
fprintf(stderr, "Lsyncd Lua-runner file missing after --runner.\n");
@ -1033,28 +1037,46 @@ main(int argc, char *argv[])
} else {
lsyncd_runner_file = LSYNCD_DEFAULT_RUNNER_FILE;
}
#else
if (!strcmp(argv[argp], "--runner")) {
fprintf(stderr, "This lsyncd binary has its lua runner staticly compiled.\n");
fprintf(stderr, "Configure and compile with --with-runner=FILE to use the lsyncd.lua file.\n");
return -1; // ERRNO
}
#endif
lsyncd_config_file = argv[argp++];
{
struct stat st;
#ifdef LSYNCD_DEFAULT_RUNNER_FILE
if (stat(lsyncd_runner_file, &st)) {
fprintf(stderr, "Cannot find Lsyncd Lua-runner at %s.\n", lsyncd_runner_file);
fprintf(stderr, "Cannot find Lsyncd Lua-runner at '%s'.\n", lsyncd_runner_file);
fprintf(stderr, "Maybe specify another place? %s --runner RUNNER_FILE CONFIG_FILE\n", argv[0]);
return -1; // ERRNO
}
#endif
if (stat(lsyncd_config_file, &st)) {
fprintf(stderr, "Cannot find config file at %s.\n", lsyncd_config_file);
fprintf(stderr, "Cannot find config file at '%s'.\n", lsyncd_config_file);
return -1; // ERRNO
}
}
#ifdef LSYNCD_DEFAULT_RUNNER_FILE
if (luaL_loadfile(L, lsyncd_runner_file)) {
fprintf(stderr, "error loading '%s': %s\n",
lsyncd_runner_file, lua_tostring(L, -1));
return -1; // ERRNO
}
#else
if (luaL_loadbuffer(L, &_binary_luac_out_start,
&_binary_luac_out_end - &_binary_luac_out_start, "lsyncd.lua")) {
fprintf(stderr, "error loading precompiled lsyncd.lua runner: %s\n",
lua_tostring(L, -1));
return -1; // ERRNO
}
#endif
if (lua_pcall(L, 0, LUA_MULTRET, 0)) {
fprintf(stderr, "error preparing '%s': %s\n",
lsyncd_runner_file, lua_tostring(L, -1));
lsyncd_runner_file, lua_tostring(L, -1));
return -1; // ERRNO
}