pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_darken_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_disjoint_general_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CC     pixman-matrix.lo
pixman-combine.c.template: In function 'combine_disjoint_over_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_lighten_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_conjoint_general_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CC     pixman-noop.lo
  CC     pixman-radial-gradient.lo
  CC     pixman-region16.lo
  CC     pixman-region32.lo
pixman-combine.c.template: In function 'combine_color_dodge_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_color_burn_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_hard_light_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_difference_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_exclusion_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CC     pixman-solid-fill.lo
pixman-combine.c.template: In function 'combine_soft_light_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_hsl_hue_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CC     pixman-timer.lo
pixman-combine.c.template: In function 'combine_hsl_saturation_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CC     pixman-trap.lo
pixman-combine.c.template: In function 'combine_hsl_color_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_hsl_luminosity_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_disjoint_general_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_disjoint_over_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CC     pixman-utils.lo
pixman-combine.c.template: In function 'combine_conjoint_general_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
pixman-combine.c.template: In function 'combine_soft_light_u':
pixman-combine.c.template:106:17: warning: 'm' may be used uninitialized in this function
  CCLD   libpixman-1.la
make[4]: Leaving directory `/home/test/test/output/build/pixman-0.25.2/pixman'
make[3]: Leaving directory `/home/test/test/output/build/pixman-0.25.2/pixman'
Making all in demos
make[3]: Entering directory `/home/test/test/output/build/pixman-0.25.2/demos'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/home/test/test/output/build/pixman-0.25.2/demos'
Making all in test
make[3]: Entering directory `/home/test/test/output/build/pixman-0.25.2/test'
  CC     utils.lo
  CC     a1-trap-test.o
  CC     pdf-op-test.o
  CC     region-test.o
  CC     region-translate-test.o
  CC     fetch-test.o
  CC     oob-test.o
  CC     alpha-loop.o
  CC     trap-crasher.o
  CC     scaling-crash-test.o
  CC     scaling-helpers-test.o
  CC     gradient-crash-test.o
  CC     alphamap.o
  CC     region-contains-test.o
  CC     stress-test.o
  CC     composite-traps-test.o
  CC     blitters-test.o
alphamap.c: In function 'get_alpha':
alphamap.c:77:13: warning: 'r' may be used uninitialized in this function
  CC     scaling-test.o
alphamap.c: In function 'get_red.clone.0':
alphamap.c:128:14: warning: 'r' may be used uninitialized in this function
  CC     affine-test.o
  CC     composite.o
  CC     lowlevel-blt-bench.o
composite.c: In function 'calc_op':
composite.c:425:1: error: unrecognizable insn:
(insn 2244 2243 2245 (unspec_volatile [
            (label_ref 45)
            (const_int 0 [0x0])
        ] 4) -1 (nil))
composite.c:425:1: internal compiler error: in insn_default_length, at config/sh/sh.md:3529
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://support.codesourcery.com/GNUToolchain/> for instructions.
make[3]: *** [composite.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/home/test/test/output/build/pixman-0.25.2/test'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/test/test/output/build/pixman-0.25.2'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/test/test/output/build/pixman-0.25.2'
make: *** [/home/test/test/output/build/pixman-0.25.2/.stamp_built] Error 2