updates to posix-bc hints file

Message-ID: <5930DC161690D21196670090271575470384E3FC@madt009a.siemens.es>

p4raw-id: //depot/perl@8412

1 files changed, 72 insertions, 13 deletions

diff --git a/hints/posix-bc.sh b/hints/posix-bc.sh
index 2e46b8cf00..5c45832534 100644
--- a/hints/posix-bc.sh
+++ b/hints/posix-bc.sh
@@ -7,11 +7,43 @@
 #
 
 # To get ANSI C, we need to use c89, and ld does not exist
-cc='c89'
-ld='c89'
+# You can override this with Configure -Dcc=gcc -Dld=ld.
+case "$cc" in
+'') cc='c89' ;;
+esac
+case "$ld" in
+'') ld='c89' ;;
+esac
 
 # C-Flags:
-ccflags='-K enum_long,llm_case_lower,llm_keep,no_integer_overflow -DPOSIX_BC -DUSE_PURE_BISON -D_XOPEN_SOURCE_EXTENDED'
+# -DPOSIX_BC
+# -DUSE_PURE_BISON
+# -D_XOPEN_SOURCE_EXTENDED alters system headers.
+# Prepend your favorites with Configure -Dccflags=your_favorites
+case "$ccflags" in
+'') ccflags='-K enum_long,llm_case_lower,llm_keep,no_integer_overflow -DPOSIX_BC -DUSE_PURE_BISON -D_XOPEN_SOURCE_EXTENDED' ;;
+*) ccflags='$ccflags -Kenum_long,llm_case_lower,llm_keep,no_integer_overflow -DPOSIX_BC -DUSE_PURE_BISON -D_XOPEN_SOURCE_EXTENDED' ;;
+esac
+
+# ccdlflags have yet to be determined.
+#case "$ccdlflags" in
+#'') ccdlflags='-c' ;;
+#esac
+
+# cccdlflags have yet to be determined.
+#case "$cccdlflags" in
+#'') cccdlflags='' ;;
+#esac
+
+# ldflags have yet to be determined.
+#case "$ldflags" in
+#'') ldflags='' ;;
+#esac
+
+# lddlflags have yet to be determined.
+#case "$lddlflags" in
+#'') lddlflags='' ;;
+#esac
 
 # Flags on a RISC-Host (SUNRISE):
 if [ -n "`bs2cmd SHOW-SYSTEM-INFO | egrep 'HSI-ATT.*TYPE.*SR'`" ]; then
@@ -23,20 +55,47 @@ if [ -n "`bs2cmd SHOW-SYSTEM-INFO | egrep 'HSI-ATT.*TYPE.*SR'`" ]; then
 fi
 
 # Turning on optimization breaks perl (CORE-DUMP):
-optimize='none'
+# You can override this with Configure -Doptimize='-O' or somesuch.
+case "$optimize" in
+'') optimize='none' ;;
+esac
 
 # we don''t use dynamic memorys (yet):
-so='none'
-usedl='no'
-dlext='none'
+case "$so" in
+'') so='none' ;;
+esac
+
+case "$usemymalloc" in
+'') usemymalloc='n' ;;
+esac
 
 # On BS2000/Posix, libc.a does not really hold anything at all,
 # so running nm on it is pretty useless.
-usenm='no'
-
-# other Options:
-
-usemymalloc='no'
+# You can override this with Configure -Dusenm.
+case "$usenm" in
+'') usenm='false' ;;
+esac
 
-archobjs=ebcdic.o
+# Dynamic loading doesn't work on OS/390 quite yet.
+# You can override this with
+#  Configure -Dusedl -Ddlext=.so -Ddlsrc=dl_dllload.xs.
+case "$usedl" in
+'') usedl='n' ;;
+esac
+case "$dlext" in
+'') dlext='none' ;;
+esac
+#case "$dlsrc" in
+#'') dlsrc='none' ;;
+#esac
+#case "$ldlibpthname" in
+#'') ldlibpthname=LIBPATH ;;
+#esac
 
+# Architecture related object files.
+# ebcdic.c contains special \cX mapping code for EBCDIC char sets.
+# Prepend your preference with Configure -Darchobs=your_preference.o.
+case "$archname" in
+'') archobjs="ebcdic.o" ;;
+*) archobjs="$archobjs ebcdic.o" ;;
+esac