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| author | Jarkko Hietaniemi <jhi@iki.fi> | 1998-09-29 03:56:33 +0300 |
|---|---|---|
| committer | Gurusamy Sarathy <gsar@cpan.org> | 1998-10-02 01:53:25 +0000 |
| commit | 85ab1d1d99f8dc082af2267b48b9a2c5983f3161 (patch) | |
| tree | 15498360e04711d0a640d19d489175cdf9982398 /INSTALL | |
| parent | 13b51b796ac5d39ced5a8f4f5922bfa7ca1678d5 (diff) | |
| download | perl-85ab1d1d99f8dc082af2267b48b9a2c5983f3161.tar.gz | |
various Configure and hints updates (prefer drand48() or random()
over rand(); add -Dusemultiplicity; enhanced 64-bitness); patch
applied modulo SCO hints superseded by later patch
Message-Id: <199809282156.AAA18615@alpha.hut.fi>
Subject: [PATCH] 5.005_52: Configure et al:
p4raw-id: //depot/perl@1904
Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 18 |
1 files changed, 4 insertions, 14 deletions
@@ -771,20 +771,10 @@ you can change a number of factors in the way perl is built by adding appropriate -D directives to your ccflags variable in config.sh. -For example, you can replace the rand() and srand() functions in the -perl source by any other random number generator by a trick such as the -following (this should all be on one line): - - sh Configure -Dccflags='-Dmy_rand=random -Dmy_srand=srandom' \ - -Drandbits=31 - -or you can use the drand48 family of functions with - - sh Configure -Dccflags='-Dmy_rand=lrand48 -Dmy_srand=srand48' \ - -Drandbits=31 - -or by adding the -D flags to your ccflags at the appropriate Configure -prompt. (Read pp.c to see how this works.) +Starting from Perl 5.005_53 you no more need to replace the rand() and +srand() functions in the perl source by any other random number +generator because Configure chooses the widest one available +(drand48(), srandom(), or rand()). You should also run Configure interactively to verify that a hint file doesn't inadvertently override your ccflags setting. (Hints files |