$ make
F:/gcc730/x86_64-7.3.0-release-posix-sjlj-rt_v5-rev0/mingw64/bin/make all-recursive
make[1]: Entering directory 'M:/gcc930/gzip-1.10/gzip-1.10'
Making all in lib
make[2]: Entering directory 'M:/gcc930/gzip-1.10/gzip-1.10/lib'
/usr/bin/sh: -c: line 212: unexpected EOF while looking for matching `''
/usr/bin/sh: -c: line 213: syntax error: unexpected end of file
make[2]: *** [Makefile:2487: math.h] Error 1
make[2]: Leaving directory 'M:/gcc930/gzip-1.10/gzip-1.10/lib'
make[1]: *** [Makefile:1768: all-recursive] Error 1
make[1]: Leaving directory 'M:/gcc930/gzip-1.10/gzip-1.10'
make: *** [Makefile:1549: all] Error 2
F:/gcc730/x86_64-7.3.0-release-posix-sjlj-rt_v5-rev0/mingw64/bin/make all-recursive
make[1]: Entering directory 'M:/gcc930/gzip-1.10/gzip-1.10'
Making all in lib
make[2]: Entering directory 'M:/gcc930/gzip-1.10/gzip-1.10/lib'
/usr/bin/sh: -c: line 212: unexpected EOF while looking for matching `''
/usr/bin/sh: -c: line 213: syntax error: unexpected end of file
make[2]: *** [Makefile:2487: math.h] Error 1
make[2]: Leaving directory 'M:/gcc930/gzip-1.10/gzip-1.10/lib'
make[1]: *** [Makefile:1768: all-recursive] Error 1
make[1]: Leaving directory 'M:/gcc930/gzip-1.10/gzip-1.10'
make: *** [Makefile:1549: all] Error 2