ruby-runner.c: enable MJIT_SEARCH_BUILD_DIR

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65588 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nobu

ruby-runner.c

@@ -3,6 +3,8 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 
 #include "ruby-runner.h"
 
@@ -57,13 +59,19 @@ main(int argc, char **argv)
 	PATH_SEPARATOR
 	EXTOUT_DIR"/"ARCH
 	;
+    static const char mjit_build_dir[] = BUILDDIR"/mjit_build_dir."SOEXT;
     const size_t dirsize = sizeof(builddir);
     const size_t namesize = sizeof(rubypath) - dirsize;
     const char *rubyname = rubypath + dirsize;
     char *arg0 = argv[0], *p;
+    struct stat stbuf;
 
     insert_env_path(LIBPATHENV, builddir, dirsize, 1);
     insert_env_path("RUBYLIB", rubylib, sizeof(rubylib), 0);
+    if (PRELOADENV[0] && stat(mjit_build_dir, &stbuf) == 0) {
+        insert_env_path(PRELOADENV, mjit_build_dir, sizeof(mjit_build_dir), 1);
+        setenv("MJIT_SEARCH_BUILD_DIR", "true", 0);
+    }
 
     if (!(p = strrchr(arg0, '/'))) p = arg0; else p++;
     if (strlen(p) < namesize - 1) {

template/ruby-runner.h.in

@@ -1,7 +1,9 @@
 #define ABS_SRCDIR "@abs_srcdir@"
 #define BUILDDIR   "@abs_top_builddir@"
 #define LIBPATHENV "@LIBPATHENV@"
+#define PRELOADENV "@PRELOADENV@"
 #define PATH_SEPARATOR "@PATH_SEPARATOR@"
 #define PATH_SEP   '@PATH_SEPARATOR@'
 #define EXTOUT     "@EXTOUT@"
 #define ARCH       "@arch@"
+#define SOEXT      "@SOEXT@"