Configuration summary for ruby version 2.4.0

   * Installation prefix: /usr/local
   * exec prefix:         ${prefix}
   * arch:                x86_64-cygwin
   * site arch:           ${arch}
   * RUBY_BASE_NAME:      ruby
   * enable shared:       yes
   * ruby lib prefix:     ${libdir}/${RUBY_BASE_NAME}
   * site libraries path: ${rubylibprefix}/${sitearch}
   * vendor path:         ${rubylibprefix}/vendor_ruby
   * target OS:           cygwin
   * compiler:            gcc
   * with pthread:        yes
   * enable shared libs:  yes
   * dynamic library ext: so
   * CFLAGS:              ${optflags} ${debugflags} ${warnflags}
   * LDFLAGS:             -L. -fstack-protector
   * optflags:            -O3 -fno-fast-math
   * debugflags:          -ggdb3
   * warnflags:           -Wall -Wextra -Wno-unused-parameter \
                          -Wno-parentheses -Wno-long-long \
                          -Wno-missing-field-initializers \
                          -Wno-tautological-compare \
                          -Wno-parentheses-equality \
                          -Wno-constant-logical-operand -Wno-self-assign \
                          -Wunused-variable -Werror=implicit-int \
                          -Werror=pointer-arith -Werror=write-strings \
                          -Werror=declaration-after-statement \
                          -Werror=implicit-function-declaration \
                          -Werror=deprecated-declarations \
                          -Wno-packed-bitfield-compat \
                          -Wsuggest-attribute=noreturn \
                          -Wsuggest-attribute=format \
                          -Wno-maybe-uninitialized
   * strip command:       strip
   * install doc:         yes
   * man page type:       doc

---

duerst@Arnisee /cygdrive/c/Data/ruby_test9
$ make
        CC = gcc
        LD = ld
        LDSHARED = gcc -shared
        CFLAGS = -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wno-tautological-compare -Wno-parentheses-equality -Wno-constant-logical-operand -Wno-self-assign -Wunused-variable -Werror=implicit-int -Werror=pointer-arith -Werror=write-strings -Werror=declaration-after-statement -Werror=implicit-function-declaration -Werror=deprecated-declarations -Wno-packed-bitfield-compat -Wsuggest-attribute=noreturn -Wsuggest-attribute=format -Wno-maybe-uninitialized
        XCFLAGS = -D_FORTIFY_SOURCE=2 -fstack-protector -fno-strict-overflow -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT
        CPPFLAGS = -D_XOPEN_SOURCE -D_GNU_SOURCE   -I. -I.ext/include/x86_64-cygwin -I./include -I. -I./enc/unicode/9.0.0
        DLDFLAGS = -Wl,--enable-auto-image-base,--enable-auto-import -Wl,--out-implib=libruby240.dll.a cygruby240.def -fstack-protector -Wl,--stack,0x00200000,--enable-auto-import
        SOLIBS = cygruby240.res.o -lpthread -ldl
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-cygwin/5.4.0/lto-wrapper.exe
Target: x86_64-pc-cygwin
Configured with: /cygdrive/i/szsz/tmpp/gcc/gcc-5.4.0-1.x86_64/src/gcc-5.4.0/configure --srcdir=/cygdrive/i/szsz/tmpp/gcc/gcc-5.4.0-1.x86_64/src/gcc-5.4.0 --prefix=/usr --exec-prefix=/usr --localstatedir=/var --sysconfdir=/etc --docdir=/usr/share/doc/gcc --htmldir=/usr/share/doc/gcc/html -C --build=x86_64-pc-cygwin --host=x86_64-pc-cygwin --target=x86_64-pc-cygwin --without-libiconv-prefix --without-libintl-prefix --libexecdir=/usr/lib --enable-shared --enable-shared-libgcc --enable-static --enable-version-specific-runtime-libs --enable-bootstrap --enable-__cxa_atexit --with-dwarf2 --with-tune=generic --enable-languages=ada,c,c++,fortran,lto,objc,obj-c++ --enable-graphite --enable-threads=posix --enable-libatomic --enable-libcilkrts --enable-libgomp --enable-libitm --enable-libquadmath --enable-libquadmath-support --enable-libssp --enable-libada --enable-libgcj-sublibs --disable-java-awt --disable-symvers --with-ecj-jar=/usr/share/java/ecj.jar --with-gnu-ld --with-gnu-as --with-cloog-include=/usr/include/cloog-isl --without-libiconv-prefix --without-libintl-prefix --with-system-zlib --enable-linker-build-id --with-default-libstdcxx-abi=gcc4-compatible
Thread model: posix
gcc version 5.4.0 (GCC)
/usr/local/bin/ruby --disable=gems ./tool/gen_dummy_probes.rb ./probes.d > probes.dmyh
making dummy probes.h
generating id.h
id.h updated
generating opt_sc.inc
generating optinsn.inc
generating optunifs.inc
generating insns.inc
generating insns_info.inc
generating vmtc.inc
generating vm.inc
generating node_name.inc
generating known_errors.inc
known_errors.inc updated
generating vm_call_iseq_optimized.inc
./revision.h updated
make[1]: Entering directory '/cygdrive/c/Data/ruby_test9'
Downloading Unicode 9.0.0 data files...
downloading 9.0.0/ucd/UnicodeData.txt ... done
downloading 9.0.0/ucd/CompositionExclusions.txt ... done
downloading 9.0.0/ucd/NormalizationTest.txt ... done
downloading 9.0.0/ucd/CaseFolding.txt ... done
downloading 9.0.0/ucd/SpecialCasing.txt ... done
make[1]: Leaving directory '/cygdrive/c/Data/ruby_test9'
/usr/bin/mkdir -p enc/unicode/9.0.0
Unpredicted case 0; check data or adjust program (enc/unicode/case_folding.rb).
make[1]: Entering directory '/cygdrive/c/Data/ruby_test9'
Downloading Unicode 9.0.0 property files...
downloading 9.0.0/ucd/Blocks.txt ... done
downloading 9.0.0/ucd/DerivedAge.txt ... done
downloading 9.0.0/ucd/DerivedCoreProperties.txt ... done
downloading 9.0.0/ucd/PropList.txt ... done
downloading 9.0.0/ucd/PropertyAliases.txt ... done
downloading 9.0.0/ucd/PropertyValueAliases.txt ... done
downloading 9.0.0/ucd/Scripts.txt ... done
/usr/bin/mkdir -p enc/unicode/9.0.0
./miniruby.exe -I./lib -I. -I.ext/common  ./tool/enc-unicode.rb --header ./enc/unicode/data/9.0.0 > enc/unicode/9.0.0/name2ctype.h
/bin/sh: ./miniruby.exe: No such file or directory
make[1]: *** [uncommon.mk:1110: enc/unicode/9.0.0/name2ctype.h] Error 127
make[1]: Leaving directory '/cygdrive/c/Data/ruby_test9'
make: *** [uncommon.mk:1104: enc/unicode/9.0.0/name2ctype.h] Error 2

duerst@Arnisee /cygdrive/c/Data/ruby_test9