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diff -ru isync-1.4.2.orig/configure isync-1.4.2/configure
--- isync-1.4.2.orig/configure 2021-07-16 12:36:23.344522571 +0200
+++ isync-1.4.2/configure 2021-07-16 12:39:20.448517026 +0200
@@ -3978,51 +3978,6 @@
fi
-if test "$GCC" = yes; then
- warnings="
- -Wall -Wextra
- -Wshadow
- -Wcast-qual
- -Wformat=2 -Wformat-signedness -Wformat-nonliteral
- -Wstrict-prototypes
-
- -Wno-overlength-strings
- "
- CFLAGS="$CFLAGS -pipe -std=c11 -pedantic $(echo $warnings)"
-fi
-
-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-void fkt(void)
-{
- int a = 42; // c99 comment
-
- for (int i = 0; i < a; i++) {} // declaration inside for()
- int b; // declaration after code
-}
-
-// c11 anonymous structs/unions
-struct base {
- int a;
-};
-union deriv {
- struct base gen;
- struct {
- int a;
- int b;
- };
-};
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
- as_fn_error $? "compiler does not support required C11 features" "$LINENO" 5
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
# Extract the first word of "perl", so it can be a program name with args.
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