diff --git a/configure b/configure index 32ab7329e3..c2580a3650 100755 --- a/configure +++ b/configure @@ -3774,18 +3774,12 @@ add_cppflags -D_ISOC99_SOURCE # some compilers silently accept -std=c11, so we also need to check that the # version macro is defined properly -if test_cflags_cpp -std=c11 "__STDC_VERSION__ >= 201112L"; then - add_cflags -std=c11 -else +check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 && + add_cflags -std=c11 || check_cflags -std=c99 -fi -check_cc -D_FILE_OFFSET_BITS=64 < -EOF -check_cc -D_LARGEFILE_SOURCE < -EOF +check_cppflags -D_FILE_OFFSET_BITS=64 +check_cppflags -D_LARGEFILE_SOURCE add_host_cppflags -D_ISOC99_SOURCE check_host_cflags -std=c99