CXX      glsl/ir_function.lo
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  CXX      glsl/link_uniforms.lo
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  CXX      glsl/link_varyings.lo
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  CXX      glsl/lower_cs_derived.lo
  CXX      glsl/lower_discard.lo
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  CXX      glsl/lower_distance.lo
  CXX      glsl/lower_if_to_cond_assign.lo
  CXX      glsl/lower_instructions.lo
  CXX      glsl/lower_int64.lo
  CXX      glsl/lower_jumps.lo
  CXX      glsl/lower_mat_op_to_vec.lo
  CXX      glsl/lower_noise.lo
  CXX      glsl/lower_offset_array.lo
glsl/lower_jumps.cpp: In member function 'virtual void {anonymous}::ir_lower_jumps_visitor::visit(ir_if*)':
glsl/lower_jumps.cpp:612:29: warning: 'lower' may be used uninitialized in this function [-Wmaybe-uninitialized]
             should_lower[i] = should_lower_jump(jumps[i]);
             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  CXX      glsl/lower_packed_varyings.lo
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  CXX      glsl/lower_variable_index_to_cond_assign.lo
  CXX      glsl/lower_vec_index_to_cond_assign.lo
  CXX      glsl/lower_vec_index_to_swizzle.lo
  CXX      glsl/lower_vector.lo
  CXX      glsl/lower_vector_derefs.lo
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  CXX      glsl/string_to_uint_map.lo
  CXX      glsl/shader_cache.lo
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  CC       nir/nir_lower_load_const_to_scalar.lo
  CC       nir/nir_lower_locals_to_regs.lo
  CC       nir/nir_lower_idiv.lo
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  CC       nir/nir_lower_io_to_scalar.lo
  CC       nir/nir_lower_packing.lo
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  CC       nir/nir_opt_if.lo
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  CC       nir/nir_opt_large_constants.lo
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  CC       nir/nir_opt_remove_phis.lo
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  CC       nir/nir_worklist.lo
  CC       spirv/gl_spirv.lo
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  CC       spirv/vtn_alu.lo
  CC       spirv/vtn_amd.lo
  CC       spirv/vtn_cfg.lo
  CC       spirv/vtn_glsl450.lo
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  CC       glsl/glcpp/glcpp-lex.lo
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  CCLD     nir/libnir.la
  CXXLD    spirv2nir
  CCLD     glsl/libglcpp.la
  CXXLD    glsl/libglsl.la
  CXXLD    glsl/libstandalone.la
copying selected object files to avoid basename conflicts...
  CXXLD    glsl_compiler
Making all in mesa
/usr/bin/make  all-recursive
Making all in .
  CC       main/accum.lo
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  CXX      main/uniform_query.lo
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  CC       program/prog_statevars.lo
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  CC       vbo/vbo_context.lo
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  CC       vbo/vbo_minmax_index.lo
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  CXX      state_tracker/st_glsl_to_nir.lo
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  CC       state_tracker/st_nir_lower_builtin.lo
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  CC       state_tracker/st_pbo.lo
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  CC       x86/common_x86.lo
  CXXLD    libmesagallium.la
Making all in main/tests
make[7]: Nothing to be done for `all'.
Making all in state_tracker/tests
make[7]: Nothing to be done for `all'.
Making all in drivers/dri
Making all in common
  CC       utils.lo
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  CC       dri_util.lo
  CCLD     libmegadriver_stub.la
  CCLD     libdricommon.la
make[8]: Nothing to be done for `all-am'.
Making all in loader
  CC       libloader_la-loader.lo
  CC       libloader_la-pci_id_driver_map.lo
  CCLD     libloader.la
Making all in gbm
  CC       main/backend.lo
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  CCLD     libgbm.la
  GEN      .install-mesa-links
Making all in egl
/usr/bin/make  all-am
  CC       main/eglapi.lo
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  CC       main/egldevice.lo
  CC       main/egldisplay.lo
  CC       main/egldriver.lo
  CC       main/eglfallbacks.lo
  CC       main/eglglobals.lo
In file included from main/egldevice.c:34:
main/egldevice.h: In function '_eglLookupDevice':
main/egldevice.h:54:13: error: 'NULL' undeclared (first use in this function)
       dev = NULL;
             ^~~~
main/egldevice.h:54:13: note: 'NULL' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
main/egldevice.h:34:1:
+#include <stddef.h>
 #include "egltypedefs.h"
main/egldevice.h:54:13:
       dev = NULL;
             ^~~~
main/egldevice.h:54:13: note: each undeclared identifier is reported only once for each function it appears in
make[6]: *** [main/egldevice.lo] Error 1
make[6]: *** Waiting for unfinished jobs....
make[5]: *** [all] Error 2
make[4]: *** [all-recursive] Error 1
make[3]: *** [all] Error 2
make[2]: *** [all-recursive] Error 1
make[1]: *** [/home/buildroot/autobuild/run/instance-0/output/build/mesa3d-18.3.0/.stamp_built] Error 2
make: *** [_all] Error 2
make: Leaving directory `/home/buildroot/autobuild/run/instance-0/buildroot'