Jumbo Configure update.

[p5sagit/p5-mst-13.2.git] / hints / aix.sh

diff --git a/hints/aix.sh b/hints/aix.sh
index a9f277e..727cf93 100644 (file)
--- a/hints/aix.sh
+++ b/hints/aix.sh
@@ -1,6 +1,8 @@
 # hints/aix.sh
 # AIX 3.x.x hints thanks to Wayne Scott <wscott@ichips.intel.com>
 # AIX 4.1 hints thanks to Christopher Chan-Nui <channui@austin.ibm.com>.
+# AIX 4.1 pthreading by Christopher Chan-Nui <channui@austin.ibm.com> and
+#         Jarkko Hietaniemi <jhi@iki.fi>.
 # Merged on Mon Feb  6 10:22:35 EST 1995 by
 #   Andy Dougherty  <doughera@lafcol.lafayette.edu>
 
@@ -17,6 +19,13 @@ alignbytes=8
 
 usemymalloc='n'
 
+# Intuiting the existence of system calls under AIX is difficult,
+# at best; the safest technique is to find them empirically.
+usenm='undef'
+
+so="a"
+dlext="so"
+
 # Make setsockopt work correctly.  See man page.
 # ccflags='-D_BSD=44'
 
@@ -27,21 +36,21 @@ esac
 
 case "$osvers" in
 3*) d_fchmod=undef
-    ccflags='-D_ALL_SOURCE'
+    ccflags="$ccflags -D_ALL_SOURCE"
     ;;
 *)  # These hints at least work for 4.x, possibly other systems too.
-    d_setregid='undef'
-    d_setreuid='undef'
-    ccflags='-qmaxmem=8192 -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE'
+    ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE"
+    case "$cc" in
+     *gcc*) ;;
+     *) ccflags="$ccflags -qmaxmem=8192" ;;
+    esac
     nm_opt='-B'
     ;;
 esac
 
-# The optimizer in 4.1.1 apparently generates bad code for scope.c.
-# Configure doesn't offer an easy way to propagate extra variables
-# only for certain cases, so the following contortion is required:
-# This is probably not needed in 5.002 and later.
-# scope_cflags='case "$osvers" in 4.1*) optimize=" ";; esac'
+# These functions don't work like Perl expects them to.
+d_setregid='undef'
+d_setreuid='undef'
 
 # Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com>
 #
@@ -58,10 +67,48 @@ esac
 #                           symbol: boot_$(EXP)  can it be auto-generated?
 case "$osvers" in
 3*) 
-lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc'
+    lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc'
     ;;
 *) 
-lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc'
+    lddlflags='-bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc'
+    ;;
+esac
+
+# This script UU/usethreads.cbu will get 'called-back' by Configure 
+# after it has prompted the user for whether to use threads.
+cat > UU/usethreads.cbu <<'EOCBU'
+case "$usethreads" in
+$define|true|[yY]*)
+        ccflags="$ccflags -DNEED_PTHREAD_INIT"
+        case "$cc" in
+        xlc_r | cc_r) ;;
+        cc) 
+           echo >&4 "Switching cc to xlc_r because of POSIX threads."
+           cc=xlc_r
+            ;;
+        '') 
+           cc=xlc_r
+            ;;
+        *)
+           cat >&4 <<EOM
+For pthreads you should use the AIX C compilers xlc_r or cc_r.
+(now your compiler was '$cc')
+Cannot continue, aborting.
+EOM
+           exit 1
+           ;;
+        esac
+
+        # Add the POSIX threads library and the re-entrant libc.
+
+        lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'`
 
-;;
+        # Add the c_r library to the list of wanted libraries.
+        # Make sure the c_r library is before the c library or
+        # make will fail.
+        set `echo X "$libswanted "| sed -e 's/ c / c_r c /'`
+        shift
+        libswanted="$*"
+       ;;
 esac
+EOCBU