Unicode 13.0 is now official

[perl5.git] / hints / dec_osf.sh

diff --git a/hints/dec_osf.sh b/hints/dec_osf.sh
index 4c18200..4f3baef 100644 (file)
--- a/hints/dec_osf.sh
+++ b/hints/dec_osf.sh
@@ -167,22 +167,7 @@ EOF
        *"-c99: Unknown flag"*)
                _ccflags_strict_ansi="-std1"
                ;;
-       *)      # However, use the -c99 only if compiling for
-               # -DPERL_MEM_LOG, where the C99 feature __func__
-               # is useful to have.  Otherwise use the good old
-               # -std1 so that we stay C89 strict, which the goal
-               # of the Perl C code base (no //, no code between
-               # declarations, etc).  Moreover, the Tru64 cc is
-               # not fully C99, and most probably never will be.
-               #
-               # The -DPERL_MEM_LOG can be either in ccflags
-               # (if using an old config.sh) or in the command line
-               # (which has been stowed away in UU/cmdline.opt).
-               #
-               case "$ccflags `cat UU/cmdline.opt`" in
-               *-DPERL_MEM_LOG*)       _ccflags_strict_ansi="-c99"  ;;
-               *)                      _ccflags_strict_ansi="-std1" ;;
-               esac
+       *)      _ccflags_strict_ansi="-c99"
                ;;
        esac
        _lddlflags_strict_ansi="-std1"
@@ -278,7 +263,7 @@ toke_cflags='optimize=-O2'
 esac
 
 # The patch 23787
-# http://public.activestate.com/cgi-bin/perlbrowse?patch=23787
+# https://github.com/Perl/perl5/commit/73cb726371990cd489597c4fee405a9815abf4da
 # broke things for gcc (at least gcc 3.3) so that many of the pack()
 # checksum tests for formats L, j, J, especially when combined
 # with the < and > specifiers, started to fail if compiled with plain -O3.
@@ -290,7 +275,7 @@ esac
 
 # we want dynamic fp rounding mode, and we want ieee exception semantics
 case "$isgcc" in
-gcc)   ;;
+gcc)   ccflags="$ccflags -mfp-rounding-mode=d -mieee" ;;
 *)     case "$_DEC_cc_style" in
        new)    ccflags="$ccflags -fprm d -ieee"        ;;
        esac
@@ -518,6 +503,61 @@ case "$LD_LIBRARY_PATH" in
 * ) export LD_LIBRARY_PATH ;;
 esac
 
+# Enforce strict data.
+case "$isgcc" in
+gcc)   ;;
+*)     # -trapuv poisons uninitialized stack with
+       #  0xfff58005fff58005 which is as a pointer a segmentation fault and
+       #  as a floating point a signaling NaN.  As integers/longs that causes
+       #  no traps but at least it is not zero.
+       # -readonly_strings moves string constants into read-only section
+       #  which hopefully means that modifying them leads into segmentation
+       #  faults.
+       for i in -trapuv -readonly_strings
+       do
+               case "$ccflags" in
+               *$i*) ;;
+               *) ccflags="$ccflags $i" ;;
+               esac
+       done
+       ;;
+esac
+
+# In Tru64 several slightly incompatible socket APIs are supported,
+# which one applies is chosen with a set of defines:
+# -D_SOCKADDR_LEN enables 4.4BSD and IPv6 interfaces
+# -D_POSIX_PII_SOCKET enables socklen_t instead of size_t
+for i in -D_SOCKADDR_LEN -D_POSIX_PII_SOCKET
+do
+    case "$ccflags" in
+    *$i*) ;;
+    *) ccflags="$ccflags $i" ;;
+    esac
+done
+# For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
+# a bad idea since it breaks send() and recv().
+case "$ccflags" in
+*DEC_OSF1_3_X*SOCKADDR_LEN*)
+ ccflags=`echo " $ccflags " | sed -e 's/ -D_SOCKADDR_LEN / /'`
+ ;;
+esac
+
+# These are in libm, but seem broken (there are no protos in headers,
+# or man pages, either)
+d_fdim='undef'
+d_fma='undef'
+d_fmax='undef'
+d_fmin='undef'
+d_llrint='undef'
+d_llround='undef'
+d_lrint='undef'
+d_lround='undef'
+d_nan='undef'
+d_nearbyint='undef'
+d_round='undef'
+d_scalbn='undef'
+d_tgamma='undef'
+
 #
 # Unset temporary variables no more needed.
 #