perlio.c: false Coverity finding (it cannot see that two pointers are the same):...

[perl5.git] / cflags.SH

diff --git a/cflags.SH b/cflags.SH
old mode 100644 (file)
new mode 100755 (executable)
index df07083..6c26025
--- a/cflags.SH
+++ b/cflags.SH
@@ -1,13 +1,15 @@
-case $CONFIG in
+case $PERL_CONFIG_SH in
 '')
-    if test ! -f config.sh; then
-       ln ../config.sh . || \
-       ln ../../config.sh . || \
-       ln ../../../config.sh . || \
-       (echo "Can't find config.sh."; exit 1)
-    fi
-    . ./config.sh
-    ;;
+       if test -f config.sh; then TOP=.;
+       elif test -f ../config.sh; then TOP=..;
+       elif test -f ../../config.sh; then TOP=../..;
+       elif test -f ../../../config.sh; then TOP=../../..;
+       elif test -f ../../../../config.sh; then TOP=../../../..;
+       else
+               echo "Can't find config.sh."; exit 1
+       fi
+       . $TOP/config.sh
+       ;;
 esac
 : This forces SH files to create target in same directory as SH file.
 : This is so that make depend always knows where to find SH derivatives.
@@ -19,24 +21,35 @@ echo "Extracting cflags (with variable substitutions)"
 : Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
 : Protect any dollar signs and backticks that you do not want interpreted
 : by putting a backslash in front.  You may delete these comments.
+rm -f cflags
 $spitshell >cflags <<!GROK!THIS!
+$startsh
 !GROK!THIS!
 
 : In the following dollars and backticks do not need the extra backslash.
 $spitshell >>cflags <<'!NO!SUBS!'
-case "$0" in
-*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
-esac
-case $CONFIG in
+case $PERL_CONFIG_SH in
 '')
-    if test ! -f config.sh; then
-       ln ../config.sh . || \
-       ln ../../config.sh . || \
-       ln ../../../config.sh . || \
-       (echo "Can't find config.sh."; exit 1)
-    fi 2>/dev/null
-    . ./config.sh
-    ;;
+       if test -f config.sh; then TOP=.;
+       elif test -f ../config.sh; then TOP=..;
+       elif test -f ../../config.sh; then TOP=../..;
+       elif test -f ../../../config.sh; then TOP=../../..;
+       elif test -f ../../../../config.sh; then TOP=../../../..;
+       else
+               echo "Can't find config.sh."; exit 1
+       fi
+       . $TOP/config.sh
+       ;;
+esac
+
+: syntax: cflags [optimize=XXX] [file[.suffix]]
+: displays the compiler command line for file
+
+case "X$1" in
+Xoptimize=*|X"optimize=*")
+       eval "$1"
+       shift
+       ;;
 esac
 
 also=': '
@@ -48,7 +61,7 @@ case $# in
 0) set *.c; echo "The current C flags are:" ;;
 esac
 
-set `echo "$* " | sed 's/\.[oc] / /g'`
+set `echo "$* " | sed -e 's/\.[oc] / /g' -e 's/\.obj / /g' -e "s/\\$obj_ext / /g"`
 
 for file do
 
@@ -59,62 +72,110 @@ for file do
 
     : allow variables like toke_cflags to be evaluated
 
-    eval 'eval ${'"${file}_cflags"'-""}'
+    if echo $file | grep -v / >/dev/null
+    then
+      eval 'eval ${'"${file}_cflags"'-""}'
+    fi
 
     : or customize here
 
     case "$file" in
-    array) ;;
-    cmd) ;;
-    cons) ;;
-    consarg) ;;
-    doarg) ;;
+    DB_File) ;;
+    GDBM_File) ;;
+    NDBM_File) ;;
+    ODBM_File) ;;
+    POSIX) ;;
+    SDBM_File) ;;
+    av) ;;
+    byterun) ;;
+    deb) ;;
+    dl) ;;
     doio) ;;
-    dolist) ;;
+    doop) ;;
     dump) ;;
-    eval) ;;
-    form) ;;
-    hash) ;;
+    gv) ;;
+    hv) ;;
+    locale) ;;
+    main) ;;
     malloc) ;;
+    mg) ;;
+    miniperlmain) ;;
+    numeric) ;;
+    op) ;;
     perl) ;;
+    perlapi) ;;
+    perlmain) ;;
     perly) ;;
+    pp) ;;
+    pp_ctl) ;;
+    pp_hot) ;;
+    pp_pack) ;;
+    pp_sys) ;;
     regcomp) ;;
     regexec) ;;
-    stab) ;;
-    str) ;;
+    run) ;;
+    scope) ;;
+    sv) ;;
+    taint) ;;
     toke) ;;
     usersub) ;;
     util) ;;
-    tarray) ;;
-    tcmd) ;;
-    tcons) ;;
-    tconsarg) ;;
-    tdoarg) ;;
-    tdoio) ;;
-    tdolist) ;;
-    tdump) ;;
-    teval) ;;
-    tform) ;;
-    thash) ;;
-    tmalloc) ;;
-    tperl) ;;
-    tperly) ;;
-    tregcomp) ;;
-    tregexec) ;;
-    tstab) ;;
-    tstr) ;;
-    ttoke) ;;
-    tusersub) ;;
-    tutil) ;;
     *) ;;
     esac
 
-    echo "$cc -c $ccflags $optimize $large $split"
-    eval "$also "'"$cc -c $ccflags $optimize $large $split"'
+# Add -Wall for the core modules iff gcc and not already -Wall
+warn=''
+case "$gccversion" in
+'') ;;
+Intel*) ;;
+*)  case "$ccflags" in
+    *-Wall*) ;;
+    *) warn="$warn -Wall" ;;
+    esac
+    case "$gccansipedantic" in
+    define)
+       case "$gccversion" in
+       [12]*) ;; # gcc versions 1 (gasp!) and 2 are not good for this.
+       *)  case "$osname" in
+           # Add -ansi -pedantic only for known platforms.
+           aix|dec_osf|freebsd|hpux|irix|linux)
+               ansipedantic="-ansi -pedantic" ;;
+           solaris)
+# Can't add -ansi for Solaris.
+# Off_t/off_t is a struct in Solaris with largefiles, and with -ansi
+# that struct cannot be compared with a flat integer, such as a STRLEN.
+# The -ansi will also cause a lot of noise in Solaris because of:
+# /usr/include/sys/resource.h:148: warning: `struct rlimit64' declared inside parameter list
+               ansipedantic="-pedantic" ;;
+           esac
+           for i in $ansipedantic
+           do
+               case "$ccflags" in
+               *$i*) ;;
+               *) warn="$warn $i" ;;
+               esac
+           done
+           case "$warn$ccflags" in
+           *-pedantic*) warn="$warn -DPERL_GCC_PEDANTIC" ;;
+           esac
+           ;;
+       esac
+       ;;
+    esac
+    ;;
+esac
+
+if test -f .patch; then
+  ccflags="-DPERL_PATCHNUM=`cat .patch` $ccflags"
+fi
+
+    : Can we perhaps use $ansi2knr here
+    echo "$cc -c -DPERL_CORE $ccflags $optimize $warn"
+    eval "$also "'"$cc -DPERL_CORE -c $ccflags $optimize $warn"'
 
-    . ./config.sh
+    . $TOP/config.sh
 
 done
 !NO!SUBS!
-chmod +x cflags
+chmod 755 cflags
 $eunicefix cflags