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Add -Wlogical-op to standard compiler flags, if supported

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commit 67c03c6f3ca3726fd99488b497432dea21ab8e2a 1 parent 1746ba9
@petere petere authored
Showing with 61 additions and 0 deletions.
  1. +60 −0 configure
  2. +1 −0  configure.in
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60 configure
@@ -4072,6 +4072,66 @@ if test x"$pgac_cv_prog_cc_cflags__Wendif_labels" = x"yes"; then
CFLAGS="$CFLAGS -Wendif-labels"
fi
+ { $as_echo "$as_me:$LINENO: checking whether $CC supports -Wlogical-op" >&5
+$as_echo_n "checking whether $CC supports -Wlogical-op... " >&6; }
+if test "${pgac_cv_prog_cc_cflags__Wlogical_op+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ pgac_save_CFLAGS=$CFLAGS
+CFLAGS="$pgac_save_CFLAGS -Wlogical-op"
+ac_save_c_werror_flag=$ac_c_werror_flag
+ac_c_werror_flag=yes
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+ (eval "$ac_compile") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest.$ac_objext; then
+ pgac_cv_prog_cc_cflags__Wlogical_op=yes
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ pgac_cv_prog_cc_cflags__Wlogical_op=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_c_werror_flag=$ac_save_c_werror_flag
+CFLAGS="$pgac_save_CFLAGS"
+fi
+{ $as_echo "$as_me:$LINENO: result: $pgac_cv_prog_cc_cflags__Wlogical_op" >&5
+$as_echo "$pgac_cv_prog_cc_cflags__Wlogical_op" >&6; }
+if test x"$pgac_cv_prog_cc_cflags__Wlogical_op" = x"yes"; then
+ CFLAGS="$CFLAGS -Wlogical-op"
+fi
+
{ $as_echo "$as_me:$LINENO: checking whether $CC supports -Wmissing-format-attribute" >&5
$as_echo_n "checking whether $CC supports -Wmissing-format-attribute... " >&6; }
if test "${pgac_cv_prog_cc_cflags__Wmissing_format_attribute+set}" = set; then
View
1  configure.in
@@ -410,6 +410,7 @@ if test "$GCC" = yes -a "$ICC" = no; then
# These work in some but not all gcc versions
PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
+ PGAC_PROG_CC_CFLAGS_OPT([-Wlogical-op])
PGAC_PROG_CC_CFLAGS_OPT([-Wmissing-format-attribute])
# This was included in -Wall/-Wformat in older GCC versions
PGAC_PROG_CC_CFLAGS_OPT([-Wformat-security])
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