summaryrefslogtreecommitdiff
path: root/configure
diff options
context:
space:
mode:
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure394
1 files changed, 350 insertions, 44 deletions
diff --git a/configure b/configure
index e06129115..99ba6ab70 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in 8aa0749.
+# From configure.ac 2f61628.
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69.
#
@@ -703,6 +703,7 @@ enable_64bit
enable_lto
enable_static
enable_sanitize
+enable_Werror
enable_renewal
with_maxconn
with_mysql
@@ -1366,6 +1367,8 @@ Optional Features:
disabled by default)
--enable-sanitize[=ARG] Enables sanitizer. (disabled by default) (available
options: yes, no, full)
+ --enable-Werror Enables -Werror in the compiler flags. (disabled by
+ default)
--disable-renewal Disable Ragnarok Renewal support (override settings
in src/config/renewal.h)
@@ -3654,7 +3657,7 @@ if test "${enable_lto+set}" = set; then :
case $enableval in
"no");;
"yes");;
- *) as_fn_error $? "invalid argument --enable-lto=$disableval... stopping" "$LINENO" 5;;
+ *) as_fn_error $? "invalid argument --enable-lto=$enableval... stopping" "$LINENO" 5;;
esac
else
@@ -3674,7 +3677,7 @@ if test "${enable_static+set}" = set; then :
case $enableval in
"no");;
"yes");;
- *) as_fn_error $? "invalid argument --enable-static=$disableval... stopping" "$LINENO" 5;;
+ *) as_fn_error $? "invalid argument --enable-static=$enableval... stopping" "$LINENO" 5;;
esac
else
@@ -3695,7 +3698,7 @@ if test "${enable_sanitize+set}" = set; then :
"no");;
"yes");;
"full");;
- *) as_fn_error $? "invalid argument --enable-sanitize=$disableval... stopping" "$LINENO" 5;;
+ *) as_fn_error $? "invalid argument --enable-sanitize=$enableval... stopping" "$LINENO" 5;;
esac
else
@@ -3706,6 +3709,29 @@ fi
#
+# -Werror compiler flag
+# It's not always possible (if at all) to pass -Werror in the CFLAGS, since
+# autoconf often generates test-code that produces warnings.
+# Reference: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734104
+#
+# Check whether --enable-Werror was given.
+if test "${enable_Werror+set}" = set; then :
+ enableval=$enable_Werror;
+ enable_Werror="$enableval"
+ case $enableval in
+ "no");;
+ "yes");;
+ *) as_fn_error $? "invalid argument --enable-Werror=$enableval... stopping" "$LINENO" 5;;
+ esac
+
+else
+ enable_Werror="no"
+
+fi
+
+
+
+#
# Renewal
#
# Check whether --enable-renewal was given.
@@ -4577,6 +4603,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
# -Wunused-parameter -Wunused-but-set-parameter unused parameters
# -Wunused-macros unused macro warnings, but it also enable unused parameters
# -Wstrict-prototypes show warning in grammar.y
+# -wdiscarded-qualifiers show different const removal
# attributes suggestion
# -Wsuggest-attribute=const -Wsuggest-attribute=format -Wsuggest-attribute=pure
@@ -5511,6 +5538,54 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=bounds-strict" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=bounds-strict... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -fsanitize=bounds-strict"
+ OLD_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -fsanitize=bounds-strict"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds-strict" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds-strict... " >&6; }
+ CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+ LDFLAGS="$OLD_LDFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=object-size" >&5
$as_echo_n "checking whether $CC supports -fsanitize=object-size... " >&6; }
OLD_CFLAGS="$CFLAGS"
@@ -6912,11 +6987,12 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
#AC_CHECK_COMPILER_WFLAG(cast-align)
+#AC_CHECK_COMPILER_WFLAG(logical-op) # some useless warnings
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wlogical-op" >&5
-$as_echo_n "checking whether $CC supports -Wlogical-op... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnested-externs" >&5
+$as_echo_n "checking whether $CC supports -Wnested-externs... " >&6; }
OLD_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror -Wlogical-op"
+ CFLAGS="$CFLAGS -Werror -Wnested-externs"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int foo;
@@ -6925,12 +7001,12 @@ if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wlogical-op"
+ CFLAGS="$OLD_CFLAGS -Wnested-externs"
# Optionally, run a test
if test "x" != "x"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wlogical-op" >&5
-$as_echo_n "checking whether $CC can actually use -Wlogical-op... " >&6; }
- CFLAGS="$OLD_CFLAGS -Werror -Wlogical-op"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnested-externs" >&5
+$as_echo_n "checking whether $CC can actually use -Wnested-externs... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wnested-externs"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -6944,7 +7020,7 @@ $as_echo "no" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wlogical-op"
+ CFLAGS="$OLD_CFLAGS -Wnested-externs"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -6962,10 +7038,10 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnested-externs" >&5
-$as_echo_n "checking whether $CC supports -Wnested-externs... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wold-style-definition" >&5
+$as_echo_n "checking whether $CC supports -Wold-style-definition... " >&6; }
OLD_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror -Wnested-externs"
+ CFLAGS="$CFLAGS -Werror -Wold-style-definition"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int foo;
@@ -6974,12 +7050,12 @@ if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wnested-externs"
+ CFLAGS="$OLD_CFLAGS -Wold-style-definition"
# Optionally, run a test
if test "x" != "x"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnested-externs" >&5
-$as_echo_n "checking whether $CC can actually use -Wnested-externs... " >&6; }
- CFLAGS="$OLD_CFLAGS -Werror -Wnested-externs"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wold-style-definition" >&5
+$as_echo_n "checking whether $CC can actually use -Wold-style-definition... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wold-style-definition"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -6993,7 +7069,7 @@ $as_echo "no" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wnested-externs"
+ CFLAGS="$OLD_CFLAGS -Wold-style-definition"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -7011,10 +7087,10 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wold-style-definition" >&5
-$as_echo_n "checking whether $CC supports -Wold-style-definition... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Woverlength-strings" >&5
+$as_echo_n "checking whether $CC supports -Woverlength-strings... " >&6; }
OLD_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror -Wold-style-definition"
+ CFLAGS="$CFLAGS -Werror -Woverlength-strings"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int foo;
@@ -7023,12 +7099,12 @@ if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wold-style-definition"
+ CFLAGS="$OLD_CFLAGS -Woverlength-strings"
# Optionally, run a test
if test "x" != "x"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wold-style-definition" >&5
-$as_echo_n "checking whether $CC can actually use -Wold-style-definition... " >&6; }
- CFLAGS="$OLD_CFLAGS -Werror -Wold-style-definition"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Woverlength-strings" >&5
+$as_echo_n "checking whether $CC can actually use -Woverlength-strings... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Woverlength-strings"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -7042,7 +7118,7 @@ $as_echo "no" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wold-style-definition"
+ CFLAGS="$OLD_CFLAGS -Woverlength-strings"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -7060,10 +7136,10 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Woverlength-strings" >&5
-$as_echo_n "checking whether $CC supports -Woverlength-strings... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wredundant-decls" >&5
+$as_echo_n "checking whether $CC supports -Wredundant-decls... " >&6; }
OLD_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror -Woverlength-strings"
+ CFLAGS="$CFLAGS -Werror -Wredundant-decls"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int foo;
@@ -7072,12 +7148,12 @@ if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Woverlength-strings"
+ CFLAGS="$OLD_CFLAGS -Wredundant-decls"
# Optionally, run a test
if test "x" != "x"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Woverlength-strings" >&5
-$as_echo_n "checking whether $CC can actually use -Woverlength-strings... " >&6; }
- CFLAGS="$OLD_CFLAGS -Werror -Woverlength-strings"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wredundant-decls" >&5
+$as_echo_n "checking whether $CC can actually use -Wredundant-decls... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wredundant-decls"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -7091,7 +7167,7 @@ $as_echo "no" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Woverlength-strings"
+ CFLAGS="$OLD_CFLAGS -Wredundant-decls"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -7109,10 +7185,10 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wredundant-decls" >&5
-$as_echo_n "checking whether $CC supports -Wredundant-decls... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wcast-qual" >&5
+$as_echo_n "checking whether $CC supports -Wcast-qual... " >&6; }
OLD_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror -Wredundant-decls"
+ CFLAGS="$CFLAGS -Werror -Wcast-qual"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int foo;
@@ -7121,12 +7197,12 @@ if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wredundant-decls"
+ CFLAGS="$OLD_CFLAGS -Wcast-qual"
# Optionally, run a test
if test "x" != "x"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wredundant-decls" >&5
-$as_echo_n "checking whether $CC can actually use -Wredundant-decls... " >&6; }
- CFLAGS="$OLD_CFLAGS -Werror -Wredundant-decls"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wcast-qual" >&5
+$as_echo_n "checking whether $CC can actually use -Wcast-qual... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wcast-qual"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -7140,7 +7216,105 @@ $as_echo "no" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- CFLAGS="$OLD_CFLAGS -Wredundant-decls"
+ CFLAGS="$OLD_CFLAGS -Wcast-qual"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wmisleading-indentation" >&5
+$as_echo_n "checking whether $CC supports -Wmisleading-indentation... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wmisleading-indentation"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wmisleading-indentation"
+ # Optionally, run a test
+ if test "x" != "x"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wmisleading-indentation" >&5
+$as_echo_n "checking whether $CC can actually use -Wmisleading-indentation... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wmisleading-indentation"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wmisleading-indentation"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wnull-dereference" >&5
+$as_echo_n "checking whether $CC supports -Wnull-dereference... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wnull-dereference"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wnull-dereference"
+ # Optionally, run a test
+ if test "x" != "x"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wnull-dereference" >&5
+$as_echo_n "checking whether $CC can actually use -Wnull-dereference... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wnull-dereference"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wnull-dereference"
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
@@ -7422,6 +7596,94 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-suggest-attribute=format" >&5
+$as_echo_n "checking whether $CC supports -Wno-suggest-attribute=format... " >&6; }
+ OLD_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wno-suggest-attribute=format"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ # Recent versions of gcc don't fail if -Wno-foo is not recognized
+ # (unless there are also other warnings), so we also check for -Wfoo
+ # which always fails if not supported
+ CFLAGS="$OLD_CFLAGS -Werror -Wsuggest-attribute=format"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wno-suggest-attribute=format"
+ # Optionally, run a test
+ if test "x" != "x"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC can actually use -Wno-suggest-attribute=format" >&5
+$as_echo_n "checking whether $CC can actually use -Wno-suggest-attribute=format... " >&6; }
+ CFLAGS="$OLD_CFLAGS -Werror -Wsuggest-attribute=format"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not needed but enabled" >&5
+$as_echo "not needed but enabled" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+else
+
+ CFLAGS="$OLD_CFLAGS -Werror -Wno-suggest-attribute=format"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ CFLAGS="$OLD_CFLAGS -Wno-suggest-attribute=format"
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
# Certain versions of gcc make -Wshadow completely useless by making it flood
# you with unnecessary warnings <https://lkml.org/lkml/2006/11/28/239>
# Let's check if we can really use it
@@ -8944,6 +9206,50 @@ fi
LIBS="$OLD_LIBS"
fi
+#
+# -Werror compiler flag
+#
+if test "$enable_Werror" != "no" ; then
+
+ OLD_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Werror" >&5
+$as_echo_n "checking whether $CC supports -Werror... " >&6; }
+ if test "$cross_compiling" = yes; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5
+$as_echo "guessing no" >&6; }
+
+
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ int main(int argc, char **argv){
+ return 0;
+ }
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ CFLAGS="$OLD_CFLAGS"
+ LDFLAGS="$OLD_LDFLAGS"
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+
STATIC=${STATIC}
PLUGINSTATIC=${PLUGINSTATIC}