Can't Build PGSQL on OS X With GCC 3.3

Apparently I cannot build PostgreSQL 7.3.3 on OS X Jaguar with GCC 3.3
installed.

I get the followng:

In file included from /usr/include/math.h:24,
from isinf.c:5:
/usr/include/architecture/ppc/math.h:128: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:128: error: parse error before
"__cplusplus"
/usr/include/architecture/ppc/math.h:129: error: syntax error before
"inline"
/usr/include/architecture/ppc/math.h:130: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:130: error: parse error before "else"
/usr/include/architecture/ppc/math.h:131: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:132: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:140: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:140: error: parse error before
"__cplusplus"
/usr/include/architecture/ppc/math.h:141: error: syntax error before
"inline"
/usr/include/architecture/ppc/math.h:142: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:142: error: parse error before "else"
/usr/include/architecture/ppc/math.h:143: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:144: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:151: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:151: error: parse error before
"__cplusplus"
/usr/include/architecture/ppc/math.h:152: error: syntax error before
"inline"
/usr/include/architecture/ppc/math.h:153: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:153: error: parse error before "else"
/usr/include/architecture/ppc/math.h:154: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:155: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:163: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:163: error: parse error before
"__cplusplus"
/usr/include/architecture/ppc/math.h:164: error: syntax error before
"inline"
/usr/include/architecture/ppc/math.h:165: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:165: error: parse error before "else"
/usr/include/architecture/ppc/math.h:166: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:167: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:175: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:175: error: parse error before
"__cplusplus"
/usr/include/architecture/ppc/math.h:176: error: syntax error before
"inline"
/usr/include/architecture/ppc/math.h:177: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:177: error: parse error before "else"
/usr/include/architecture/ppc/math.h:178: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:179: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:187: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:187: error: parse error before
"__cplusplus"
/usr/include/architecture/ppc/math.h:188: error: syntax error before
"inline"
/usr/include/architecture/ppc/math.h:189: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:189: error: parse error before "else"
/usr/include/architecture/ppc/math.h:190: error: syntax error at '#' token
/usr/include/architecture/ppc/math.h:191: error: syntax error at '#' token
make[2]: *** [isinf.o] Error 1
make[1]: *** [all] Error 2
make: *** [all] Error 2

Yikes!