musl: add a hack to rip out excessive iconv bloat

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40875 3c298f89-4303-0410-b956-a3cf2f4a3e73

toolchain/musl/patches/900-iconv_size_hack.patch

@@ -0,0 +1,68 @@
+--- a/src/locale/iconv.c
++++ b/src/locale/iconv.c
+@@ -44,6 +44,7 @@ static const unsigned char charmaps[] =
+ "ucs4\0ucs4be\0utf32\0utf32be\0\0\300"
+ "ucs4le\0utf32le\0\0\303"
+ "ascii\0usascii\0iso646\0iso646us\0\0\307"
++#ifdef FULL_ICONV
+ "eucjp\0\0\320"
+ "shiftjis\0sjis\0\0\321"
+ "gb18030\0\0\330"
+@@ -51,6 +52,7 @@ static const unsigned char charmaps[] =
+ "gb2312\0\0\332"
+ "big5\0bigfive\0cp950\0big5hkscs\0\0\340"
+ "euckr\0ksc5601\0ksx1001\0cp949\0\0\350"
++#endif
+ #include "codepages.h"
+ ;
+ 
+@@ -58,6 +60,7 @@ static const unsigned short legacy_chars
+ #include "legacychars.h"
+ };
+ 
++#ifdef FULL_ICONV
+ static const unsigned short jis0208[84][94] = {
+ #include "jis0208.h"
+ };
+@@ -77,6 +80,7 @@ static const unsigned short hkscs[] = {
+ static const unsigned short ksc[93][94] = {
+ #include "ksc.h"
+ };
++#endif
+ 
+ static int fuzzycmp(const unsigned char *a, const unsigned char *b)
+ {
+@@ -217,6 +221,7 @@ size_t iconv(iconv_t cd0, char **restric
+ 				c = ((c-0xd7c0)<<10) + (d-0xdc00);
+ 			}
+ 			break;
++#ifdef FULL_ICONV
+ 		case SHIFT_JIS:
+ 			if (c-0xa1 <= 0xdf-0xa1) {
+ 				c += 0xff61-0xa1;
+@@ -363,6 +368,7 @@ size_t iconv(iconv_t cd0, char **restric
+ 			c = ksc[c][d];
+ 			if (!c) goto ilseq;
+ 			break;
++#endif
+ 		default:
+ 			if (c < 128+type) break;
+ 			c -= 128+type;
+--- a/src/locale/codepages.h
++++ b/src/locale/codepages.h
+@@ -118,6 +118,7 @@
+ "\0\0\0\100\15\0\344\0\0\0\0\0\0\0\0\0\0\0\0\0\103\270\1\0\0\0\340\1\200\40"
+ "\230\0\0\0\0\0\44\341\12\0"
+ 
++#ifdef FULL_ICONV
+ "cp1250\0"
+ "windows1250\0"
+ "\0\0"
+@@ -214,6 +215,7 @@
+ "\0\0\0\0\0\0\0\0\0\15\0\0\0\0\0\0\0\0\0\0\266\0\0\0\0\102\0\220\13\0"
+ "\0\234\2\0\0\0\0\0\0\0\0\244\202\13\0\0\0\0\100\15\0\0\0\0\0\0\0\0\0\0"
+ "\267\0\0\0\0\103\0\240\13\0\0\240\2\0\0\0\0\0\0\0\0\250\62\45\0"
++#endif
+ 
+ "koi8r\0"
+ "\0\0"