=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for pngcrush-1.7.56
cd /usr/pkgsrc/work/graphics/pngcrush/work/pngcrush-1.7.56-nolib && gcc -DPNG_USE_LOCAL_ARRAYS  -Wno-error -march=i586 -I/usr/pkg/include -I/usr/include `libpng-config --cflags` -o pngcrush pngcrush.c    -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib `libpng-config --ldflags` -lz
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_ascii_from_fp':
png.c:(.text+0x3bfa): undefined reference to `frexp'
png.c:(.text+0x3d36): undefined reference to `modf'
png.c:(.text+0x3d5b): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_fixed':
png.c:(.text+0x4220): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_muldiv':
png.c:(.text+0x42f3): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_reciprocal':
png.c:(.text+0x43ca): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_product2':
png.c:(.text+0x448d): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o):png.c:(.text+0x452d): more undefined references to `floor' follow
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_gamma_8bit_correct':
png.c:(.text+0x45ea): undefined reference to `pow'
png.c:(.text+0x461e): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_gamma_16bit_correct':
png.c:(.text+0x46aa): undefined reference to `pow'
png.c:(.text+0x46cc): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(png.o): In function `png_build_16bit_table':
png.c:(.text+0x4867): undefined reference to `pow'
png.c:(.text+0x4889): undefined reference to `floor'
/usr/pkgsrc/work/graphics/pngcrush/work/.buildlink/lib/libpng16.a(pngrtran.o): In function `convert_gamma_value':
pngrtran.c:(.text+0x449): undefined reference to `floor'
collect2: ld returned 1 exit status
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/graphics/pngcrush
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/graphics/pngcrush