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Fix broken configure with -Wunused-parameter

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The configure script fails because it tries to compile small C programs
with a main function which is declared with arguments argc and argv
although those arguments are unused.

Running `configure -extra-cflags=-Wunused-parameter` triggers the problem.
configure for a native build does abort but shows the error in config.log.
A cross build configure for Windows with Debian stable aborts with an
error.

Avoiding unused arguments fixes this.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20221102202258.456359-1-sw@weilnetz.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Stefan Weil 2022-11-02 21:22:58 +01:00 committed by Paolo Bonzini
parent 75ac231c67
commit 8a0afbb2a4
1 changed files with 4 additions and 4 deletions
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8
configure vendored
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@ -1258,7 +1258,7 @@ if test "$stack_protector" != "no"; then
cat > $TMPC << EOF cat > $TMPC << EOF
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
char arr[64], *p = arr, *c = argv[0]; char arr[64], *p = arr, *c = argv[argc - 1];
while (*c) { while (*c) {
*p++ = *c++; *p++ = *c++;
} }
@ -1607,7 +1607,7 @@ fi
if test "$safe_stack" = "yes"; then if test "$safe_stack" = "yes"; then
cat > $TMPC << EOF cat > $TMPC << EOF
int main(int argc, char *argv[]) int main(void)
{ {
#if ! __has_feature(safe_stack) #if ! __has_feature(safe_stack)
#error SafeStack Disabled #error SafeStack Disabled
@ -1629,7 +1629,7 @@ EOF
fi fi
else else
cat > $TMPC << EOF cat > $TMPC << EOF
int main(int argc, char *argv[]) int main(void)
{ {
#if defined(__has_feature) #if defined(__has_feature)
#if __has_feature(safe_stack) #if __has_feature(safe_stack)
@ -1675,7 +1675,7 @@ static const int Z = 1;
#define TAUT(X) ((X) == Z) #define TAUT(X) ((X) == Z)
#define PAREN(X, Y) (X == Y) #define PAREN(X, Y) (X == Y)
#define ID(X) (X) #define ID(X) (X)
int main(int argc, char *argv[]) int main(void)
{ {
int x = 0, y = 0; int x = 0, y = 0;
x = ID(x); x = ID(x);