Changes for Alpine (#508)

* Update CMakeLists.txt

Replaced bash with sh so that it can be compiled on Alpine

* Update elfloader.c

* Update threads.c

Replaced __clock_id with clock_id to adapted to Alpine.

2 files changed, 4 insertions, 1 deletions

diff --git a/src/elfs/elfloader.c b/src/elfs/elfloader.c
index 94c5a93e..69c7797d 100755
--- a/src/elfs/elfloader.c
+++ b/src/elfs/elfloader.c
@@ -10,6 +10,9 @@
 #include <link.h>
 #include <unistd.h>
 #include <errno.h>
+#ifndef _DLFCN_H
+#include <dlfcn.h>
+#endif
 
 #include "custommem.h"
 #include "box64version.h"
diff --git a/src/libtools/threads.c b/src/libtools/threads.c
index d1131363..7e70b160 100755
--- a/src/libtools/threads.c
+++ b/src/libtools/threads.c
@@ -726,7 +726,7 @@ EXPORT int my_pthread_cond_wait(x64emu_t* emu, pthread_cond_t* cond, void* mutex
 	updateAlignedMutex(mutex, real);
 	return ret;
 }
-EXPORT int my_pthread_cond_clockwait(x64emu_t *emu, pthread_cond_t* cond, void* mutex, __clockid_t __clock_id, const struct timespec* __abstime)
+EXPORT int my_pthread_cond_clockwait(x64emu_t *emu, pthread_cond_t* cond, void* mutex, clockid_t __clock_id, const struct timespec* __abstime)
 {
 	(void)emu;
 	int ret;