Add an advanced build option to force compiling and linking our reduced C library (probably useful for the sim).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27059 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -46,22 +46,41 @@ libc/strtok.c
 /* alsa on linux requires a more advanced sprintf, i.e. not ours */
 libc/sprintf.c
 #endif /* PLATFORM_NATIVE || __MINGW32__ || __CYGWIN__ */
-#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
+#if (CONFIG_PLATFORM & PLATFORM_NATIVE) || defined(HAVE_ROCKBOX_C_LIBRARY)
 libc/atoi.c
+
+#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
+/* our ctype.[ch] comes from newlib and is incompitble with most desktop's ctype */
 libc/ctype.c
-libc/memcmp.c
+#endif
+
 libc/memchr.c
+libc/memcmp.c
+
+#if !defined(CPU_SH) && !defined(CPU_COLDFIRE) && !defined(CPU_ARM)
+#if !defined(CPU_MIPS)
+libc/memcpy.c
+libc/memset.c
+#endif /* CPU_MIPS */
+libc/memmove.c
+#endif /* CPU_* */
+
 libc/qsort.c
 libc/random.c
 libc/strcat.c
 libc/strchr.c
 libc/strcmp.c
 libc/strcpy.c
+
+#if !defined(CPU_SH) && !defined(CPU_COLDFIRE)
+libc/strlen.c
+#endif
+
 libc/strncmp.c
 libc/strrchr.c
 libc/strstr.c
 libc/mktime.c
-#endif /* !defined(SIMULATOR)*/
+#endif /* CONFIG_PLATFORM || HAVE_ROCKBOX_C_LIBRARY */
 
 /* Common */
 common/version.c
@@ -414,7 +433,6 @@ target/coldfire/i2c-coldfire.c
 target/arm/support-arm.S
 target/arm/memcpy-arm.S
 target/arm/memmove-arm.S
-libc/strlen.c
 #ifndef SIMULATOR
 target/arm/memset-arm.S
 target/arm/memset16-arm.S
@@ -509,10 +527,7 @@ target/arm/crt0.S
 
 #elif defined(CPU_MIPS)
 #undef mips
-/*target/mips/strlen.S*/
-libc/memmove.c
 common/memset16.c
-libc/strlen.c
 target/mips/ffs-mips.S
 target/mips/memcpy-mips.S
 target/mips/memset-mips.S
@@ -526,11 +541,7 @@ target/mips/ingenic_jz47xx/crt0.S
 #ifdef HAVE_PRIORITY_SCHEDULING
 common/ffs.c
 #endif
-libc/memcpy.c
-libc/memmove.c
-libc/memset.c
 common/memset16.c
-libc/strlen.c
 #if (CONFIG_PLATFORM & PLATFORM_NATIVE)
 crt0.S
 drivers/i2c.c

firmware/libc/memchr.c

@@ -35,6 +35,7 @@ QUICKREF
 
 #include <string.h>
 #include <limits.h>
+#include "_ansi.h" /* for _DEFUN */
 
 /* Nonzero if X is not aligned on a "long" boundary.  */
 #define UNALIGNED(X) ((long)X & (sizeof (long) - 1))

firmware/libc/memcmp.c

@@ -37,7 +37,7 @@ QUICKREF
 */
 
 #include <string.h>
-
+#include "_ansi.h" /* for _DEFUN */
 
 /* Nonzero if either X or Y is not aligned on a "long" boundary.  */
 #define UNALIGNED(X, Y) \

firmware/libc/memcpy.c

@@ -33,7 +33,7 @@ QUICKREF
         */
 
 #include "config.h"
-#include <_ansi.h>
+#include "_ansi.h" /* for _DEFUN */
 #include <string.h>
 
 /* Nonzero if either X or Y is not aligned on a "long" boundary.  */

firmware/libc/strchr.c

@@ -35,6 +35,7 @@ QUICKREF
 
 #include <string.h>
 #include <limits.h>
+#include "_ansi.h" /* for _DEFUN */
 
 /* Nonzero if X is not aligned on a "long" boundary.  */
 #define UNALIGNED(X) ((long)X & (sizeof (long) - 1))

firmware/libc/strcmp.c

@@ -37,6 +37,7 @@ QUICKREF
 
 #include <string.h>
 #include <limits.h>
+#include "_ansi.h" /* for _DEFUN */
 
 /* Nonzero if either X or Y is not aligned on a "long" boundary.  */
 #define UNALIGNED(X, Y) \

firmware/libc/strcpy.c

@@ -34,6 +34,7 @@ QUICKREF
 
 #include <string.h>
 #include <limits.h>
+#include "_ansi.h" /* for _DEFUN */
 
 /*SUPPRESS 560*/
 /*SUPPRESS 530*/

firmware/libc/strlen.c

@@ -32,7 +32,7 @@ QUICKREF
 */
 
 #include "config.h"
-#include <_ansi.h>
+#include "_ansi.h"
 #include <string.h>
 #include <limits.h>
 

firmware/libc/strncmp.c

@@ -38,6 +38,7 @@ QUICKREF
 
 #include <string.h>
 #include <limits.h>
+#include "_ansi.h" /* for _DEFUN */
 
 /* Nonzero if either X or Y is not aligned on a "long" boundary.  */
 #define UNALIGNED(X, Y) \

firmware/libc/strrchr.c

@@ -34,6 +34,7 @@ QUICKREF
 */
 
 #include <string.h>
+#include "_ansi.h" /* for _DEFUN */
 
 char *
 _DEFUN (strrchr, (s, i),

tools/configure

@@ -383,8 +383,9 @@ whichadvanced () {
   else
     interact=1
     echo ""
-    echo "Enter your developer options (press enter when done)"
-    printf "(D)EBUG, (L)ogf, Boot(c)hart, (S)imulator, (P)rofiling, (V)oice, (W)in32 crosscompile, (T)est plugins"
+    printf "Enter your developer options (press only enter when done)\n\
+(D)EBUG, (L)ogf, Boot(c)hart, (S)imulator, (P)rofiling, (V)oice, (W)in32 crosscompile,\n\
+(T)est plugins, S(m)all C lib:"
     if [ "$memory" = "2" ]; then
       printf ", (8)MB MOD"
     fi
@@ -425,6 +426,10 @@ whichadvanced () {
         echo "logf() support enabled"
         logf="yes"
         ;;
+      [Mm])
+        echo "Using Rockbox' small C library"
+        extradefines="$extradefines -DHAVE_ROCKBOX_C_LIBRARY"
+        ;;
       [Tt])
         echo "Including test plugins"
         extradefines="$extradefines -DHAVE_TEST_PLUGINS"