> Since the PowerPC code is specific to Apple's assembler, I disabled the
> PPC optimizations on non-Darwin systems.  Please cvs update audio/flac
> and let me know if it builds on NetBSD/macppc.

Not yet.

2.0, macppc, latest pkgsrc.
# $NetBSD: Makefile,v 1.28 2004/10/18 14:23:29 ben Exp $

as -force_cpusubtype_ALL lpc_asm.s -o .libs/lpc_asm.o
lpc_asm.s: Assembler messages:
lpc_asm.s:1: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:2: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:4: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:5: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:6: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:8: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:9: Warning: rest of line ignored; first ignored character is ` '
lpc_asm.s:11: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:12: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:13: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:15: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:16: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:17: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:19: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:20: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:21: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:22: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:23: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:24: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:25: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:25: Error: Unrecognized opcode: `loss'
lpc_asm.s:26: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:26: Error: syntax error; found `I' but expected `,'
lpc_asm.s:26: Error: junk at end of line: `INTERRUPTION) HOWEVER CAUSED 
AND ON ANY THEORY OF'
lpc_asm.s:27: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:28: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:29: Warning: rest of line ignored; first ignored character is ` 
'
lpc_asm.s:37: Error: Unrecognized opcode: `residual[]'
lpc_asm.s:38: Error: Unrecognized opcode: `data_len'
lpc_asm.s:39: Error: Unrecognized opcode: `qlp_coeff[]'
lpc_asm.s:40: Error: Unrecognized opcode: `order'
lpc_asm.s:41: Error: Unrecognized opcode: `lp_quantization'
lpc_asm.s:42: Error: Unrecognized opcode: `data[]'
lpc_asm.s:44: Error: Unrecognized opcode: `see'
lpc_asm.s:45: Error: Unrecognized opcode: `these'
lpc_asm.s:46: Error: Unrecognized opcode: `bps<=15'
lpc_asm.s:48: Error: Unrecognized opcode: `these'
lpc_asm.s:48: Error: Unrecognized opcode: `the'
lpc_asm.s:49: Warning: rest of line ignored; first ignored character is 
`3'
lpc_asm.s:50: Error: Unrecognized opcode: `coefficients'
lpc_asm.s:51: Error: Unrecognized opcode: `has'
lpc_asm.s:53: Error: Unrecognized opcode: `i'
lpc_asm.s:54: Error: syntax error; found `m' but expected `,'
lpc_asm.s:54: Error: junk at end of line: `may be a somewhat more clever 
way to do the outer loop'
lpc_asm.s:56: Error: Unrecognized opcode: `the'
lpc_asm.s:56: Error: Unrecognized opcode: `i'
lpc_asm.s:57: Error: Unrecognized opcode: `this'
lpc_asm.s:63: Error: Unrecognized opcode: `for'
lpc_asm.s:65: Error: Unrecognized opcode: `adjust'
lpc_asm.s:69: Error: Unrecognized opcode: `cache'
lpc_asm.s:70: Error: syntax error; found `(' but expected `,'
lpc_asm.s:70: Error: junk at end of line: `(0xfffffc00)'
lpc_asm.s:71: Error: syntax error; found `(' but expected `,'
lpc_asm.s:71: Error: junk at end of line: `(0xfffffc00)'
lpc_asm.s:72: Error: Unrecognized opcode: `declare'
lpc_asm.s:74: Error: Unrecognized opcode: `i<data_len'
lpc_asm.s:77: Error: Unrecognized opcode: `load'
lpc_asm.s:79: Error: Unrecognized opcode: `data%4'
lpc_asm.s:81: Error: symbol `r31' is already defined
lpc_asm.s:81: Warning: rest of line ignored; first ignored character is 
`4'
lpc_asm.s:82: Error: Unrecognized opcode: `convert'
lpc_asm.s:87: Error: Unrecognized opcode: `mask'
lpc_asm.s:97: Error: Unrecognized opcode: `reversal'
lpc_asm.s:100: Error: Unrecognized opcode: `coefficient'
lpc_asm.s:101: Error: symbol `v17' is already defined
lpc_asm.s:101: Error: Unrecognized opcode: `reversal'
lpc_asm.s:104: Error: Unrecognized opcode: `history'
lpc_asm.s:117: Error: syntax error; found `(' but expected `,'
lpc_asm.s:117: Error: junk at end of line: `(L1307)'
lpc_asm.s:118: Error: syntax error; found `(' but expected `,'
lpc_asm.s:118: Error: junk at end of line: `(L1307)'
lpc_asm.s:131: Error: syntax error; found `(' but expected `,'
lpc_asm.s:131: Error: junk at end of line: `(L1306)'
lpc_asm.s:132: Error: syntax error; found `(' but expected `,'
lpc_asm.s:132: Error: junk at end of line: `(L1306)'
lpc_asm.s:145: Error: syntax error; found `(' but expected `,'
lpc_asm.s:145: Error: junk at end of line: `(L1305)'
lpc_asm.s:146: Error: syntax error; found `(' but expected `,'
lpc_asm.s:146: Error: junk at end of line: `(L1305)'
lpc_asm.s:159: Error: syntax error; found `(' but expected `,'
lpc_asm.s:159: Error: junk at end of line: `(L1304)'
lpc_asm.s:160: Error: syntax error; found `(' but expected `,'
lpc_asm.s:160: Error: junk at end of line: `(L1304)'
lpc_asm.s:173: Error: syntax error; found `(' but expected `,'
lpc_asm.s:173: Error: junk at end of line: `(L1303)'
lpc_asm.s:174: Error: syntax error; found `(' but expected `,'
lpc_asm.s:174: Error: junk at end of line: `(L1303)'
lpc_asm.s:187: Error: syntax error; found `(' but expected `,'
lpc_asm.s:187: Error: junk at end of line: `(L1302)'
lpc_asm.s:188: Error: syntax error; found `(' but expected `,'
lpc_asm.s:188: Error: junk at end of line: `(L1302)'
lpc_asm.s:201: Error: syntax error; found `(' but expected `,'
lpc_asm.s:201: Error: junk at end of line: `(L1301)'
lpc_asm.s:202: Error: syntax error; found `(' but expected `,'
lpc_asm.s:202: Error: junk at end of line: `(L1301)'
lpc_asm.s:213: Error: syntax error; found `(' but expected `,'
lpc_asm.s:213: Error: junk at end of line: `(L1300)'
lpc_asm.s:214: Error: syntax error; found `(' but expected `,'
lpc_asm.s:214: Error: junk at end of line: `(L1300)'
lpc_asm.s:219: Error: Unrecognized opcode: `set'
lpc_asm.s:220: Error: symbol `v16' is already defined
lpc_asm.s:220: Error: Unrecognized opcode: `zero'
lpc_asm.s:223: Error: symbol `v17' is already defined
lpc_asm.s:223: Error: Unrecognized opcode: `result'
lpc_asm.s:224: Error: symbol `v18' is already defined
lpc_asm.s:224: Error: Unrecognized opcode: `residual'
lpc_asm.s:228: Error: Unrecognized opcode: `lp_quantization'
lpc_asm.s:231: Error: Unrecognized opcode: `sum'
lpc_asm.s:236: Error: Unrecognized opcode: `increment'
lpc_asm.s:270: Error: Unrecognized opcode: `v20[3]:'
lpc_asm.s:271: Error: Unrecognized opcode: `v20[3]:'
lpc_asm.s:273: Error: Unrecognized opcode: `v21[n]:'
lpc_asm.s:274: Error: Unrecognized opcode: `v21[3]:'
lpc_asm.s:275: Error: Unrecognized opcode: `v20[3]:'
lpc_asm.s:276: Error: Unrecognized opcode: `increment'
lpc_asm.s:278: Error: Unrecognized opcode: `v21[n]:'
lpc_asm.s:279: Error: Unrecognized opcode: `increment'
lpc_asm.s:283: Error: Unrecognized opcode: `insert'
lpc_asm.s:287: Error: Unrecognized opcode: `i<data_len'
lpc_asm.s:291: Error: Unrecognized opcode: `restore'
lpc_asm.s:296: Error: symbol `r3' is already defined
lpc_asm.s:296: Error: Unrecognized opcode: `residual[]'
lpc_asm.s:297: Error: symbol `r4' is already defined
lpc_asm.s:297: Error: Unrecognized opcode: `data_len'
lpc_asm.s:298: Error: symbol `r5' is already defined
lpc_asm.s:298: Error: Unrecognized opcode: `qlp_coeff[]'
lpc_asm.s:299: Error: symbol `r6' is already defined
lpc_asm.s:299: Error: Unrecognized opcode: `order'
lpc_asm.s:300: Error: symbol `r7' is already defined
lpc_asm.s:300: Error: Unrecognized opcode: `lp_quantization'
lpc_asm.s:301: Error: symbol `r8' is already defined
lpc_asm.s:301: Error: Unrecognized opcode: `data[]'
lpc_asm.s:303: Error: Unrecognized opcode: `see'
lpc_asm.s:304: Error: Unrecognized opcode: `this'
lpc_asm.s:304: Error: Unrecognized opcode: `it'
lpc_asm.s:305: Error: Unrecognized opcode: `save'
lpc_asm.s:306: Error: Unrecognized opcode: `instruction'
lpc_asm.s:312: Error: Unrecognized opcode: `for'
lpc_asm.s:314: Error: Unrecognized opcode: `adjust'
lpc_asm.s:318: Error: Unrecognized opcode: `cache'
lpc_asm.s:319: Error: syntax error; found `(' but expected `,'
lpc_asm.s:319: Error: junk at end of line: `(0xffc00000)'
lpc_asm.s:320: Error: syntax error; found `(' but expected `,'
lpc_asm.s:320: Error: junk at end of line: `(0xffc00000)'
lpc_asm.s:321: Error: Unrecognized opcode: `declare'
lpc_asm.s:323: Error: Unrecognized opcode: `i<data_len'
lpc_asm.s:326: Error: Unrecognized opcode: `load'
lpc_asm.s:328: Error: symbol `r31' is already defined
lpc_asm.s:328: Error: Unrecognized opcode: `data%4'
lpc_asm.s:330: Error: symbol `r31' is already defined
lpc_asm.s:330: Warning: rest of line ignored; first ignored character is 
`4'
lpc_asm.s:331: Error: Unrecognized opcode: `convert'
lpc_asm.s:336: Error: Unrecognized opcode: `mask'
lpc_asm.s:346: Error: symbol `v0' is already defined
lpc_asm.s:346: Error: Unrecognized opcode: `reversal'
lpc_asm.s:349: Error: Unrecognized opcode: `coefficient'
lpc_asm.s:350: Error: symbol `v5' is already defined
lpc_asm.s:350: Error: Unrecognized opcode: `reversal'
lpc_asm.s:353: Error: Unrecognized opcode: `history'
lpc_asm.s:366: Error: syntax error; found `(' but expected `,'
lpc_asm.s:366: Error: junk at end of line: `(L2301)'
lpc_asm.s:367: Error: syntax error; found `(' but expected `,'
lpc_asm.s:367: Error: junk at end of line: `(L2301)'
lpc_asm.s:378: Error: syntax error; found `(' but expected `,'
lpc_asm.s:378: Error: junk at end of line: `(L2300)'
lpc_asm.s:379: Error: syntax error; found `(' but expected `,'
lpc_asm.s:379: Error: junk at end of line: `(L2300)'
lpc_asm.s:384: Error: Unrecognized opcode: `set'
lpc_asm.s:385: Error: symbol `v4' is already defined
lpc_asm.s:385: Error: Unrecognized opcode: `zero'
lpc_asm.s:388: Error: symbol `v5' is already defined
lpc_asm.s:388: Error: Unrecognized opcode: `result'
lpc_asm.s:389: Error: symbol `v6' is already defined
lpc_asm.s:389: Error: Unrecognized opcode: `residual'
lpc_asm.s:393: Error: Unrecognized opcode: `lp_quantization'
lpc_asm.s:396: Error: Unrecognized opcode: `sum'
lpc_asm.s:405: Error: Unrecognized opcode: `v8[3]:'
lpc_asm.s:406: Error: Unrecognized opcode: `v8[3]:'
lpc_asm.s:408: Error: Unrecognized opcode: `v9[n]:'
lpc_asm.s:409: Error: Unrecognized opcode: `v9[3]:'
lpc_asm.s:410: Error: Unrecognized opcode: `v8[3]:'
lpc_asm.s:411: Error: Unrecognized opcode: `increment'
lpc_asm.s:413: Error: Unrecognized opcode: `v9[n]:'
lpc_asm.s:414: Error: Unrecognized opcode: `increment'
lpc_asm.s:418: Error: Unrecognized opcode: `insert'
lpc_asm.s:422: Error: Unrecognized opcode: `i<data_len'
lpc_asm.s:426: Error: Unrecognized opcode: `restore'
gmake[4]: *** [lpc_asm.lo] Error 1
gmake[4]: Leaving directory 
`/usr/pkgsrc/audio/flac/work/flac-1.1.1/src/libFLAC/ppc'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory 
`/usr/pkgsrc/audio/flac/work/flac-1.1.1/src/libFLAC'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory `/usr/pkgsrc/audio/flac/work/flac-1.1.1/src'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/pkgsrc/audio/flac/work/flac-1.1.1'
gmake: *** [all] Error 2
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/audio/flac
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/audio/flac