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
index 75de568..6c26025 100755 (executable)
--- a/cflags.SH
+++ b/cflags.SH
@@ -1,4 +1,4 @@
-case $CONFIGDOTSH in
+case $PERL_CONFIG_SH in
 '')
        if test -f config.sh; then TOP=.;
        elif test -f ../config.sh; then TOP=..;
@@ -28,7 +28,7 @@ $startsh
 
 : In the following dollars and backticks do not need the extra backslash.
 $spitshell >>cflags <<'!NO!SUBS!'
-case $CONFIGDOTSH in
+case $PERL_CONFIG_SH in
 '')
        if test -f config.sh; then TOP=.;
        elif test -f ../config.sh; then TOP=..;
@@ -42,18 +42,14 @@ case $CONFIGDOTSH in
        ;;
 esac
 
-perltype=''
-optdebug=''    # ensure -g used if building a -DDEBUGGING libperl
-case $# in
-2) case $1 in
-    *perl.*)    perltype='';;
-    *perld.*)   perltype='-DDEBUGGING'; optdebug='-g' ;;
-    *perle.*)   perltype='-DEMBED';;
-    *perlde.*)  perltype='-DDEBUGGING -DEMBED'; optdebug='-g' ;;
-    *perlm.*)   perltype='-DEMBED -DMULTIPLICITY';;
-    *perldm.*)  perltype='-DDEBUGGING -DEMBED -DMULTIPLICITY'; optdebug='-g' ;;
-    esac
-    shift ;;
+: 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=': '
@@ -65,7 +61,7 @@ case $# in
 0) set *.c; echo "The current C flags are:" ;;
 esac
 
-set `echo "$* " | sed -e 's/\.[oc] / /g' -e 's/\.obj / /g'`
+set `echo "$* " | sed -e 's/\.[oc] / /g' -e 's/\.obj / /g' -e "s/\\$obj_ext / /g"`
 
 for file do
 
@@ -76,7 +72,10 @@ 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
 
@@ -96,17 +95,21 @@ for file do
     dump) ;;
     gv) ;;
     hv) ;;
+    locale) ;;
     main) ;;
     malloc) ;;
     mg) ;;
     miniperlmain) ;;
+    numeric) ;;
     op) ;;
     perl) ;;
+    perlapi) ;;
     perlmain) ;;
     perly) ;;
     pp) ;;
     pp_ctl) ;;
     pp_hot) ;;
+    pp_pack) ;;
     pp_sys) ;;
     regcomp) ;;
     regexec) ;;
@@ -120,13 +123,55 @@ for file do
     *) ;;
     esac
 
-       if test "X$optdebug" != "X"; then
-               optimize="$optdebug"
-       fi
+# 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 $perltype $large $split"
-    eval "$also "'"$cc -DPERL_CORE -c $ccflags $optimize $perltype $large $split"'
+    echo "$cc -c -DPERL_CORE $ccflags $optimize $warn"
+    eval "$also "'"$cc -DPERL_CORE -c $ccflags $optimize $warn"'
 
     . $TOP/config.sh