Build error

[Alireza17224]

rubyc .
Auto-update Failed: failed to find a Location header
-> Project root not supplied, /Users/alirezamosavi/Desktop/Programming/RubyP/projects/cli/projects/p1 assumed.
Ruby Compiler (rubyc) v0.4.0

• entrance: /Users/alirezamosavi/Desktop/Programming/RubyP/projects/cli/projects/p1
• options: {:make_args=>"-j4", :output=>"/Users/alirezamosavi/Desktop/Programming/RubyP/projects/cli/projects/p1/a.out", :tmpdir=>"/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc"}

-> mkdir -p /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc
-> cd /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ruby-2.4.1-0.4.0
-> Running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib/libffi-3.2.1/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/include ", "LDFLAGS"=>" -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib/libz.a -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/lib ", "ENCLOSE_IO_RUBYC_1ST_PASS"=>"1", "ENCLOSE_IO_RUBYC_2ND_PASS"=>nil}, "./configure --prefix=/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ruby-2.4.1-0.4.0/build --enable-bundled-libyaml --without-gmp --disable-dtrace --enable-debug-env --disable-install-rdoc"]
checking for ruby... /Users/alirezamosavi/.rbenv/shims/ruby
config.guess already exists
config.sub already exists
checking build system type... x86_64-apple-darwin22.5.0
checking host system type... x86_64-apple-darwin22.5.0
checking target system type... x86_64-apple-darwin22.5.0
checking for clang... clang
checking for gcc... (cached) clang
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether clang accepts -g... yes
checking for clang option to accept ISO C89... none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking how to run the C preprocessor... clang -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking whether clang needs -traditional... no
checking for ld... ld
checking whether the linker is GNU ld... no
checking whether clang -E accepts -o... yes
checking for real target cpu... x86_64
checking for ranlib... ranlib
checking for ar... ar
checking for ar D option... no
checking for as... as
checking for objdump... objdump
checking for objcopy... no
checking for gobjcopy... no
checking for nm... nm
checking whether ln -s works... yes
checking whether make sets $(MAKE)... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking for a thread-safe mkdir -p... -d
use 'mkdir -p' as MKDIR_P
checking for dtrace... dtrace
checking for dot... no
checking for doxygen... no
checking for pkg-config... pkg-config
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define EXTENSIONS... yes
checking for cd using physical directory... cd -P
checking whether CFLAGS is valid... yes
➜ p1 rubyc .
Auto-update Failed: failed to find a Location header
-> Project root not supplied, /Users/alirezamosavi/Desktop/Programming/RubyP/projects/cli/projects/p1 assumed.
Ruby Compiler (rubyc) v0.4.0

• entrance: /Users/alirezamosavi/Desktop/Programming/RubyP/projects/cli/projects/p1
• options: {:make_args=>"-j4", :output=>"/Users/alirezamosavi/Desktop/Programming/RubyP/projects/cli/projects/p1/a.out", :tmpdir=>"/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc"}

-> mkdir -p /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc
-> cd /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ruby-2.4.1-0.4.0
-> Running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib/libffi-3.2.1/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/include ", "LDFLAGS"=>" -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib/libz.a -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/lib ", "ENCLOSE_IO_RUBYC_1ST_PASS"=>"1", "ENCLOSE_IO_RUBYC_2ND_PASS"=>nil}, "./configure --prefix=/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ruby-2.4.1-0.4.0/build --enable-bundled-libyaml --without-gmp --disable-dtrace --enable-debug-env --disable-install-rdoc"]
checking for ruby... /Users/alirezamosavi/.rbenv/shims/ruby
config.guess already exists
config.sub already exists
checking build system type... x86_64-apple-darwin22.5.0
checking host system type... x86_64-apple-darwin22.5.0
checking target system type... x86_64-apple-darwin22.5.0
checking for clang... clang
checking for gcc... (cached) clang
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether clang accepts -g... yes
checking for clang option to accept ISO C89... none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking how to run the C preprocessor... clang -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking whether clang needs -traditional... no
checking for ld... ld
checking whether the linker is GNU ld... no
checking whether clang -E accepts -o... yes
checking for real target cpu... x86_64
checking for ranlib... ranlib
checking for ar... ar
checking for ar D option... no
checking for as... as
checking for objdump... objdump
checking for objcopy... no
checking for gobjcopy... no
checking for nm... nm
checking whether ln -s works... yes
checking whether make sets $(MAKE)... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking for a thread-safe mkdir -p... -d
use 'mkdir -p' as MKDIR_P
checking for dtrace... dtrace
checking for dot... no
checking for doxygen... no
checking for pkg-config... pkg-config
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define EXTENSIONS... yes
checking for cd using physical directory... cd -P
checking whether CFLAGS is valid... yes
checking whether LDFLAGS is valid... no
configure: error: something wrong with LDFLAGS=" -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib/libz.a -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/lib "
Failed running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib/libffi-3.2.1/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/include -I/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/include ", "LDFLAGS"=>" -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib /var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/zlib/libz.a -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/openssl -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/gdbm/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/yaml/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/libffi/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ncurses/build/lib -L/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/readline/build/lib ", "ENCLOSE_IO_RUBYC_1ST_PASS"=>"1", "ENCLOSE_IO_RUBYC_2ND_PASS"=>nil}, "./configure --prefix=/var/folders/fh/0sd9f2bd5jd12pxd8wbb4_qh0000gn/T/rubyc/ruby-2.4.1-0.4.0/build --enable-bundled-libyaml --without-gmp --disable-dtrace --enable-debug-env --disable-install-rdoc"]

Whats wrong with the rubyc it says
configure: error: something wrong with LDFLAGS=

[mslinn]

I also tried to run the first example in the README and got the following, running on Ubuntu 23.04 (Lunar Lobster) under WSL:

$ rubyc
Auto-update Failed: failed to find a Location header
Ruby Compiler (rubyc) v0.4.0
- entrance: not provided, a single Ruby interpreter executable will be produced.
- HINT: call rubyc with --help to see more options and use case examples
- options: {:make_args=>"-j4", :output=>"/home/mslinn/a.out", :tmpdir=>"/tmp/rubyc"}

-> mkdir -p /tmp/rubyc
-> cp -r "/__enclose_io_memfs__/local/vendor/zlib" "/tmp/rubyc/zlib"
-> cd /tmp/rubyc/zlib
-> Running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe ", "LDFLAGS"=>""}, "./configure --static"]
/__enclose_io_memfs__/local/lib/compiler/utils.rb:31: warning: Insecure world writable dir /mnt/f/work/cadenzaHome/cadenzaCode in PATH, mode 040777
Checking for gcc...
Building static library libz.a version 1.2.11 with gcc.
Checking for size_t... Yes.
Checking for off64_t... Yes.
Checking for fseeko... Yes.
Checking for strerror... Yes.
Checking for unistd.h... Yes.
Checking for stdarg.h... Yes.
Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf().
Checking for vsnprintf() in stdio.h... Yes.
Checking for return value of vsnprintf()... Yes.
Checking for attribute(visibility) support... Yes.
-> Running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe ", "LDFLAGS"=>""}, "make -j4"]
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -I. -c -o example.o test/example.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o adler32.o adler32.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o crc32.o crc32.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o deflate.o deflate.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o infback.o infback.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o inffast.o inffast.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o inflate.o inflate.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o inftrees.o inftrees.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o trees.o trees.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o zutil.o zutil.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o compress.o compress.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o uncompr.o uncompr.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o gzclose.o gzclose.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o gzlib.o gzlib.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o gzread.o gzread.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN  -c -o gzwrite.o gzwrite.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -I. -c -o minigzip.o test/minigzip.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -I. -D_FILE_OFFSET_BITS=64 -c -o example64.o test/example.c
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -I. -D_FILE_OFFSET_BITS=64 -c -o minigzip64.o test/minigzip.c
ar rc libz.a adler32.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -o example example.o -L. libz.a
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -o minigzip minigzip.o -L. libz.a
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -o example64 example64.o -L. libz.a
gcc -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN -o minigzip64 minigzip64.o -L. libz.a
-> cd /home/mslinn
-> cp -r "/__enclose_io_memfs__/local/vendor/openssl" "/tmp/rubyc/openssl"
-> cd /tmp/rubyc/openssl
-> Running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe ", "LDFLAGS"=>""}, "./config"]
Operating system: x86_64-whatever-linux2
"glob" is not exported by the File::Glob module
Can't continue after import errors at /usr/lib/x86_64-linux-gnu/perl-base/File/Glob.pm line 42.
BEGIN failed--compilation aborted at ./Configure line 17.
"glob" is not exported by the File::Glob module
Can't continue after import errors at /usr/lib/x86_64-linux-gnu/perl-base/File/Glob.pm line 42.
BEGIN failed--compilation aborted at ./Configure line 17.
This system (linux-x86_64) is not supported. See file INSTALL for details.
-> Running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe ", "LDFLAGS"=>""}, "make -j4"]
make: *** No targets specified and no makefile found.  Stop.
Failed running [{"CI"=>"true", "ENCLOSE_IO_USE_ORIGINAL_RUBY"=>"1", "CFLAGS"=>" -fPIC -O3 -fno-fast-math -ggdb3 -Os -fdata-sections -ffunction-sections -pipe ", "LDFLAGS"=>""}, "make -j4"]