[ruby-core:104862] [Ruby master Bug#18072] Build error with "./configure --enable-shared"

Issue #18072 has been updated by jaruga (Jun Aruga).


Thanks for the fix! I confirmed I was able to build on the latest master.



----------------------------------------
Bug #18072: Build error with "./configure --enable-shared"
https://bugs.ruby-lang.org/issues/18072#change-93214

* Author: jaruga (Jun Aruga)
* Status: Closed
* Priority: Normal
* Assignee: nobu (Nobuyoshi Nakada)
* Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
----------------------------------------
I just hit the build error by `make` on my machine Fedora 34 on the latest master 9ed196e4876dd15991feee27e7dce1b67783060f .

```
$ cat /etc/fedora-release 
Fedora release 34 (Thirty Four)
$ rpm -q gcc
gcc-11.2.1-1.fc34.x86_64
$ gcc --version
gcc (GCC) 11.2.1 20210728 (Red Hat 11.2.1-1)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ autoconf

$ ./configure --enable-shared

$ make
	BASERUBY = /usr/local/ruby-3.0.2/bin/ruby --disable=gems
	CC = gcc
	LD = ld
	LDSHARED = gcc -shared
	CFLAGS = -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Werror=deprecated-declarations -Werror=duplicated-cond -Werror=implicit-function-declaration -Werror=implicit-int -Werror=misleading-indentation -Werror=pointer-arith -Werror=write-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -Werror=undef -std=gnu99  -fPIC 
	XCFLAGS = -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fno-strict-overflow -DRUBY_DEVEL=1 -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT -I. -I.ext/include/x86_64-linux -I./include -I. -I./enc/unicode/13.0.0
	CPPFLAGS =   
	DLDFLAGS = -Wl,--compress-debug-sections=zlib -Wl,-soname,libruby.so.3.1  -fstack-protector-strong  
	SOLIBS = -lz -lpthread -lrt -lrt -lgmp -ldl -lcrypt -lm 
	LANG = en_US.UTF-8
	LC_ALL = en_US.UTF-8
	LC_CTYPE = 
	MFLAGS = 
gcc (GCC) 11.2.1 20210728 (Red Hat 11.2.1-1)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

compiling ./main.c
...
building rb_mjit_header.h
./miniruby -I./lib -I. -I.ext/common  ./tool/mjit_tabs.rb "" \
  gcc -E -DMJIT_HEADER -P -dD -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Werror=deprecated-declarations -Werror=duplicated-cond -Werror=implicit-function-declaration -Werror=implicit-int -Werror=misleading-indentation -Werror=pointer-arith -Werror=write-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -Werror=undef -std=gnu99  -fPIC  -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fno-strict-overflow -DRUBY_DEVEL=1 -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT -I. -I.ext/include/x86_64-linux -I./include -I. -I./enc/unicode/13.0.0    ./vm.c >rb_mjit_header.h.new
rb_mjit_header.h updated
building .ext/include/x86_64-linux/rb_mjit_min_header-3.1.0.h
./miniruby -I./lib -I. -I.ext/common  ./tool/transform_mjit_header.rb "gcc -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Werror=deprecated-declarations -Werror=duplicated-cond -Werror=implicit-function-declaration -Werror=implicit-int -Werror=misleading-indentation -Werror=pointer-arith -Werror=write-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -Werror=undef -std=gnu99  -fPIC  -w" rb_mjit_header.h .ext/include/x86_64-linux/rb_mjit_min_header-3.1.0.h
transform_mjit_header: making external definition static inline: rb_vm_lvar_exposed, Init_vm_stack_canary, rb_vm_opt_cfunc_p, rb_find_defined_class_by_owner, rb_vm_rewrite_cref, rb_vm_block_ep_update, rb_vm_cref_new_toplevel, rb_vm_frame_block_handler, rb_vm_cframe_keyword_p, rb_vm_ep_local_ep
transform_mjit_header: making declaration static inline: rb_vm_lvar_exposed, Init_vm_stack_canary, rb_vm_rewrite_cref, rb_vm_frame_block_handler, rb_vm_block_ep_update, rb_vm_ep_local_ep
transform_mjit_header: SKIPPED to transform: getlogin_r, pread64, pread, read, bsearch, fread_unlocked, fgets_unlocked, fread, fgets, vdprintf, dprintf, vfprintf, vprintf, printf, fprintf, getline, putchar_unlocked, putc_unlocked, fputc_unlocked, putchar, getchar_unlocked, getc_unlocked, fgetc_unlocked, getchar
ln -sf ../../../.ext/include/x86_64-linux/rb_mjit_min_header-3.1.0.h include/ruby-3.1.0/x86_64-linux/rb_mjit_min_header-3.1.0.h
config.status: creating ruby-runner.h
making mjit_build_dir.so
generating x86_64-linux-fake.rb
x86_64-linux-fake.rb updated
make: Circular spec/ruby/optional/capi/ext/array_spec.c <- exts dependency dropped.
./miniruby -I./lib -I. -I.ext/common  ./tool/runruby.rb --extout=.ext  -- --disable-gems -r./x86_64-linux-fake ./spec/mspec/bin/mspec-run -B ./spec/default.mspec  ./spec/ruby/optional/capi/ext/array_spec.c
Could not find spec file ./spec/ruby/optional/capi/ext/array_spec.c
make: *** [defs/gmake.mk:360: spec/ruby/optional/capi/ext/array_spec.c] Error 1
```

I could build on the master 1cb5a669d39fe741388be7ac45fc88c336b097cf last week.

So, the cause could be a commit between those commits.

```
$ git diff 1cb5a669d39fe741388be7ac45fc88c336b097cf..9ed196e4876dd15991feee27e7dce1b67783060f
```




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