| fix build with gcc 10 |
| |
| Define __Cc, __Dc and Res_bit as extern to avoid the following build |
| failure with gcc 10 (which defaults to -fno-common): |
| |
| /nvme/rc-buildroot-test/scripts/instance-0/output-1/host/lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: CMakeFiles/mpcdec_shared.dir/requant.o:(.rodata+0x0): multiple definition of `__Dc'; CMakeFiles/mpcdec_shared.dir/mpc_decoder.o:(.rodata+0x430): first defined here |
| /nvme/rc-buildroot-test/scripts/instance-0/output-1/host/lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: CMakeFiles/mpcdec_shared.dir/requant.o:(.rodata+0x28): multiple definition of `__Cc'; CMakeFiles/mpcdec_shared.dir/mpc_decoder.o:(.rodata+0x458): first defined here |
| /nvme/rc-buildroot-test/scripts/instance-0/output-1/host/lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: CMakeFiles/mpcdec_shared.dir/requant.o:(.rodata+0x74): multiple definition of `Res_bit'; CMakeFiles/mpcdec_shared.dir/mpc_decoder.o:(.rodata+0x4a4): first defined here |
| |
| Fixes: |
| - http://autobuild.buildroot.org/results/9971da8c59484a6a26eb79d6e157461a47855dbf |
| |
| Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> |
| |
| diff -Naur musepack_src_r475.orig/libmpcdec/requant.h musepack_src_r475/libmpcdec/requant.h |
| --- musepack_src_r475.orig/libmpcdec/requant.h 2020-09-10 08:31:50.696105246 +0200 |
| +++ musepack_src_r475/libmpcdec/requant.h 2020-09-10 08:32:52.944106476 +0200 |
| @@ -47,9 +47,9 @@ |
| |
| |
| /* C O N S T A N T S */ |
| -const mpc_uint8_t Res_bit [18]; ///< Bits per sample for chosen quantizer |
| -const MPC_SAMPLE_FORMAT __Cc [1 + 18]; ///< Requantization coefficients |
| -const mpc_int16_t __Dc [1 + 18]; ///< Requantization offset |
| +extern const mpc_uint8_t Res_bit [18]; ///< Bits per sample for chosen quantizer |
| +extern const MPC_SAMPLE_FORMAT __Cc [1 + 18]; ///< Requantization coefficients |
| +extern const mpc_int16_t __Dc [1 + 18]; ///< Requantization offset |
| |
| #define Cc (__Cc + 1) |
| #define Dc (__Dc + 1) |