Accept -Wformat=2 because it implies -Wformat.

diff --git a/bin/blhc b/bin/blhc
index 9525baa33c7675c17c4356c063e721660f2638af..b77420d1e9af4fea72704cc834cdea74abd5e9a6 100755 (executable)
--- a/bin/blhc
+++ b/bin/blhc
@@ -182,7 +182,7 @@ my @def_cflags = (
     '-O(?:2|3)',
 );
 my @def_cflags_format = (
-    '-Wformat',
+    '-Wformat(?:=2)?', # -Wformat=2 implies -Wformat, accept it too
     '-Werror=format-security', # implies -Wformat-security
 );
 my @def_cflags_fortify = (
@@ -251,6 +251,7 @@ my @flag_refs_all = (
 # stores string values of flag regexps above, see compile_flag_regexp().
 my %flag_renames = (
     '-O(?:2|3)'         => '-O2',
+    '-Wformat(?:=2)?'   => '-Wformat',
     '-Wl,(?:-z,)?relro' => '-Wl,-z,relro',
     '-Wl,(?:-z,)?now'   => '-Wl,-z,now',
 );

diff --git a/t/logs/good b/t/logs/good
index 0be962c5ddd47214a122d68bfff52d91969e457f..9837879aef1d2308d1e0d654f99c4845fa83f457 100644 (file)
--- a/t/logs/good
+++ b/t/logs/good
@@ -20,6 +20,9 @@ gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-s
 gcc -g -O3 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-d.c
 gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest
 
+# -Wformat=2 implies -Wformat.
+gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat=2 -Werror=format-security -D_FORTIFY_SOURCE=2 -c test.c
+
 # Compiling and linking in one step must also check CFLAGS/CPPFLAGS.
 gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -Wl,-z,relro -o test test.c -ltest
 gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest