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Partial fix for bug 2758 - Android issues with NDK r10c and API-21 

Sylvain

When using API 21 and running on an old device (android < 5.0 ?) some function are missing.

functions are (at least) : signal, sigemptyset, atof, stpcpy (strcat and strcpy), srand, rand.


Very few modifications on SDL to get this working :

on SDL
======

Undefine android configuration :

HAVE_SIGNAL
HAVE_SIGACTION
HAVE_ATOF

In "SDL_systrhead.c", comment out the few block of lines with "sigemptyset".

Android.mk:
remove the compilation of "test" directory because it contains a few rand/srand calls

Also, there are more discussions about this in internet :
https://groups.google.com/forum/#!topic/android-ndk/RjO9WmG9pfE
http://stackoverflow.com/questions/25475055/android-ndk-load-library-cannot-locate-srand
main
Sam Lantinga 2015-06-17 00:07:45 -07:00
parent 3779bf3845
commit 4598903548
2 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/SDL_config_android.h
View File

@ -43,7 +43,6 @@
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
@ -76,7 +75,6 @@
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
@ -103,7 +101,6 @@
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCONF 1

5
src/thread/pthread/SDL_systhread.c
View File

@ -159,14 +159,15 @@ SDL_SYS_SetupThread(const char *name)
}
/* NativeClient does not yet support signals.*/
#ifndef __NACL__
#if !defined(__ANDROID__) && !defined(__NACL__)
/* Mask asynchronous signals for this thread */
sigemptyset(&mask);
for (i = 0; sig_list[i]; ++i) {
sigaddset(&mask, sig_list[i]);
}
pthread_sigmask(SIG_BLOCK, &mask, 0);
#endif
#endif /* !__ANDROID__ && !__NACL__ */
#ifdef PTHREAD_CANCEL_ASYNCHRONOUS
/* Allow ourselves to be asynchronously cancelled */