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jpeg: more fixes for clang 16 #94

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jpeg: more fixes for clang 16 #94

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061e474
jpeg: fix build with clang 16
reckenrode Sep 7, 2023
3c5126d
jpeg: more fixes for clang 16
chrstphrchvz Sep 14, 2023
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19 changes: 15 additions & 4 deletions JPEG/jpeg/configure
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Original file line number Diff line number Diff line change
Expand Up @@ -623,7 +623,7 @@ cross_compiling=$ac_cv_prog_cc_cross
cat > conftest.$ac_ext <<EOF
#line 625 "configure"
#include "confdefs.h"
main(){return(0);}
int main(){return(0);}
EOF
if { (eval echo configure:629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
ac_cv_prog_cc_works=yes
Expand Down Expand Up @@ -1281,6 +1281,10 @@ else
#line 1282 "configure"
#include "confdefs.h"

#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_PROTOTYPES
int is_char_signed (int arg)
#else
Expand All @@ -1298,7 +1302,7 @@ int is_char_signed (arg)
return 1; /* assume char is signed otherwise */
}
char signed_char_check = (char) (-67);
main() {
int main() {
exit(is_char_signed((int) signed_char_check));
}
EOF
Expand Down Expand Up @@ -1327,6 +1331,10 @@ else
#line 1328 "configure"
#include "confdefs.h"

#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_PROTOTYPES
int is_shifting_signed (long arg)
#else
Expand All @@ -1350,7 +1358,7 @@ int is_shifting_signed (arg)
printf("I fear the JPEG software will not work at all.\n\n");
return 0; /* try it with unsigned anyway */
}
main() {
int main() {
exit(is_shifting_signed(-0x7F7E80B1L));
}
EOF
Expand Down Expand Up @@ -1380,7 +1388,10 @@ else
#include "confdefs.h"

#include <stdio.h>
main() {
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
int main() {
if (fopen("conftestdata", "wb") != NULL)
exit(0);
exit(1);
Expand Down