append_cflags: checking for whether -std=gnu99 is accepted as CFLAGS... -------------------- yes

LD_LIBRARY_PATH=.:../../../../.. ASAN_OPTIONS=detect_leaks=0 "gcc -m32 -o conftest -I../../../../../.ext/include/i386-linux -I../../../../.././include -I../../../../.././.bundle/gems/rbs-3.8.0/ext/rbs_extension -I../../../../../. -I../../../../.././.bundle/gems/rbs-3.8.0/ext/rbs_extension/../../include -I/usr/include  -D_FILE_OFFSET_BITS=64  -fstack-protector-strong -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2  -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wdeprecated-declarations -Wdiv-by-zero -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wpointer-arith -Wwrite-strings -Wold-style-definition -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 -Wmisleading-indentation -Wundef  -fPIC conftest.c -L. -L../../../../.. -L/usr/lib -Wl,-rpath,/usr/lib -L. -fstack-protector-strong -L/usr/lib -Wl,-rpath,/usr/lib -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed     -Wl,-rpath,'/../lib' -Wl,-rpath,'/../lib' -lruby-static -lz -lrt -lrt -ldl -lcrypt -lm -lpthread   -lm -lpthread  -lc"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: int main(int argc, char **argv)
4: {
5:   return !!argv[argc];
6: }
/* end */

LD_LIBRARY_PATH=.:../../../../.. ASAN_OPTIONS=detect_leaks=0 "gcc -m32 -I../../../../../.ext/include/i386-linux -I../../../../.././include -I../../../../.././.bundle/gems/rbs-3.8.0/ext/rbs_extension -I../../../../../. -I../../../../.././.bundle/gems/rbs-3.8.0/ext/rbs_extension/../../include -I/usr/include  -D_FILE_OFFSET_BITS=64  -fstack-protector-strong -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2  -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wdeprecated-declarations -Wdiv-by-zero -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wpointer-arith -Wwrite-strings -Wold-style-definition -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 -Wmisleading-indentation -Wundef  -fPIC  -std=gnu99 -Werror -c conftest.c"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: int main(int argc, char **argv)
4: {
5:   return !!argv[argc];
6: }
/* end */

--------------------

extconf.h is:
/* begin */
1: #ifndef EXTCONF_H
2: #define EXTCONF_H
3: #endif
/* end */

