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authorA. Wilcox <AWilcox@Wilcox-Tech.com>2022-07-02 18:51:15 -0500
committerZach van Rijn <me@zv.io>2022-10-21 18:34:01 -0500
commit57b3454125ff268fb900c0d60b267535857bcd93 (patch)
treefb977ce1b0bdb0b6cbd6454809a86d1705277c8e /legacy/gcc6/fix-gcj-iconv-musl.patch
parent04142312762064baaf4765e13b479d9e03cfad47 (diff)
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legacy/gcc6: add buildable patches
Diffstat (limited to 'legacy/gcc6/fix-gcj-iconv-musl.patch')
-rw-r--r--legacy/gcc6/fix-gcj-iconv-musl.patch120
1 files changed, 120 insertions, 0 deletions
diff --git a/legacy/gcc6/fix-gcj-iconv-musl.patch b/legacy/gcc6/fix-gcj-iconv-musl.patch
new file mode 100644
index 000000000..b0015751e
--- /dev/null
+++ b/legacy/gcc6/fix-gcj-iconv-musl.patch
@@ -0,0 +1,120 @@
+--- gcc-4.8.2/libjava/gnu/gcj/convert/natIconv.cc.orig 2014-02-18 18:46:14.897880526 +0200
++++ gcc-4.8.2/libjava/gnu/gcj/convert/natIconv.cc 2014-02-18 18:50:08.766613550 +0200
+@@ -24,6 +24,13 @@
+
+ #ifdef HAVE_ICONV
+ #include <iconv.h>
++#include <endian.h>
++
++#if __BYTE_ORDER == __BIG_ENDIAN
++#define UCS2_CHARSET "UCS-2BE"
++#else
++#define UCS2_CHARSET "UCS-2LE"
++#endif
+
+ template<typename T>
+ static inline size_t
+@@ -45,7 +52,7 @@
+ _Jv_GetStringUTFRegion (encoding, 0, encoding->length(), buffer);
+ buffer[len] = '\0';
+
+- iconv_t h = iconv_open ("UCS-2", buffer);
++ iconv_t h = iconv_open (UCS2_CHARSET, buffer);
+ if (h == (iconv_t) -1)
+ throw new ::java::io::UnsupportedEncodingException (encoding);
+
+@@ -99,18 +106,6 @@
+ throw new ::java::io::CharConversionException ();
+ }
+
+- if (iconv_byte_swap)
+- {
+- size_t max = (old_out - outavail) / sizeof (jchar);
+- for (size_t i = 0; i < max; ++i)
+- {
+- // Byte swap.
+- jchar c = (((out[outpos + i] & 0xff) << 8)
+- | ((out[outpos + i] >> 8) & 0xff));
+- outbuf[i] = c;
+- }
+- }
+-
+ inpos += old_in - inavail;
+ return (old_out - outavail) / sizeof (jchar);
+ #else /* HAVE_ICONV */
+@@ -145,7 +140,7 @@
+ _Jv_GetStringUTFRegion (encoding, 0, encoding->length(), buffer);
+ buffer[len] = '\0';
+
+- iconv_t h = iconv_open (buffer, "UCS-2");
++ iconv_t h = iconv_open (buffer, UCS2_CHARSET);
+ if (h == (iconv_t) -1)
+ throw new ::java::io::UnsupportedEncodingException (encoding);
+
+@@ -187,20 +182,6 @@
+ char *inbuf = (char *) &chars[inpos];
+ char *outbuf = (char *) &out[count];
+
+- if (iconv_byte_swap)
+- {
+- // Ugly performance penalty -- don't use losing systems!
+- temp_buffer = (jchar *) _Jv_Malloc (inlength * sizeof (jchar));
+- for (int i = 0; i < inlength; ++i)
+- {
+- // Byte swap.
+- jchar c = (((chars[inpos + i] & 0xff) << 8)
+- | ((chars[inpos + i] >> 8) & 0xff));
+- temp_buffer[i] = c;
+- }
+- inbuf = (char *) temp_buffer;
+- }
+-
+ size_t loop_old_in = old_in;
+ while (1)
+ {
+@@ -252,44 +233,7 @@
+ jboolean
+ gnu::gcj::convert::IOConverter::iconv_init (void)
+ {
+- // Some versions of iconv() always return their UCS-2 results in
+- // big-endian order, and they also require UCS-2 inputs to be in
+- // big-endian order. For instance, glibc 2.1.3 does this. If the
+- // UTF-8=>UCS-2 iconv converter has this feature, then we assume
+- // that all UCS-2 converters do. (This might not be the best
+- // heuristic, but is is all we've got.)
+- jboolean result = false;
+-#ifdef HAVE_ICONV
+- iconv_t handle = iconv_open ("UCS-2", "UTF-8");
+- if (handle != (iconv_t) -1)
+- {
+- jchar c;
+- unsigned char in[4];
+- char *inp, *outp;
+- size_t inc, outc, r;
+-
+- // This is the UTF-8 encoding of \ufeff. At least Tru64 UNIX libiconv
+- // needs the trailing NUL byte, otherwise iconv fails with EINVAL.
+- in[0] = 0xef;
+- in[1] = 0xbb;
+- in[2] = 0xbf;
+- in[3] = 0x00;
+-
+- inp = (char *) in;
+- inc = 4;
+- outp = (char *) &c;
+- outc = 2;
+-
+- r = iconv_adapter (iconv, handle, &inp, &inc, &outp, &outc);
+- // Conversion must be complete for us to use the result.
+- if (r != (size_t) -1 && inc == 0 && outc == 0)
+- result = (c != 0xfeff);
+-
+- // Release iconv handle.
+- iconv_close (handle);
+- }
+-#endif /* HAVE_ICONV */
+- return result;
++ return false;
+ }
+
+ void