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Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -3,7 +3,8 @@ PREREQUISITES * The GNU C compiler gcc is recommended, as the bytecode interpreter takes advantage of gcc-specific features to enhance performance. Versions 2.5.8, 2.6.3, 2.7.0 and 2.7.2 have all been - tested at some point and appear to work. + tested at some point and appear to work. 2.7.2.1 has known problems, + at least under Linux; use some other version. * Under HP/UX, gcc, the GNU binutils, and GNU make are all required. The native cc, as, and make have major problems. @@ -170,6 +171,11 @@ all versions of make. Use GNU make if this is a problem. won't work if /bin/csh is called instead. You may have to unset the SHELL environment variable, or set it to /bin/sh. +* gcc 2.7.2.1 generates incorrect code for the runtime system in -O mode, +at least on the Intel x86 architecture; other processors have not been +tested with gcc 2.7.2.1. The solution is to downgrade to 2.7.2, or +upgrade to 2.7.2.2; both work all right. + * gcc 2.6.0 has been reported to generate incorrect code for the runtime system in -O mode. Upgrade to a newer version. |