configure:5589: gcc -c conftest.c 1>&5 configure: In function 'main': configure:5590: error: size of array 'static_assert_line_5589' is negative configure: failed program was: #line 5582 "configure" #include "confdefs.h" #define CONFIGURE_STATIC_ASSERT(condition) CONFIGURE_STATIC_ASSERT_IMPL(condition, __LINE__) #define CONFIGURE_STATIC_ASSERT_IMPL(condition, line) CONFIGURE_STATIC_ASSERT_IMPL2(condition, line) #define CONFIGURE_STATIC_ASSERT_IMPL2(condition, line) typedef int static_assert_line_##line[(condition) ? 1 : -1] int main() { CONFIGURE_STATIC_ASSERT(sizeof(long) == 8) ; return 0; } /* later */ configure:16032: checking for __pure_virtual configure:16306: checking for __cxa_demangle configure:16475: checking for gcc -pipe support dummy-hello.c: In function 'main': dummy-hello.c:2: error: missing terminating " character dummy-hello.c:3: error: missing terminating " character dummy-hello.c:3: error: expected expression at end of input dummy-hello.c:3: error: expected declaration or statement at end of input