C:\test>gcc_bld_hello.c.pl18 Building Hello gcc -Wall -mwindows -o hello hello.c -s -O2 -DWIN32 -DWIN64 -DCONSERVATIVE -DPERL_TEXTMODE_SCRIPTS -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -fno-strict-aliasing -mms-bitfields -I"C:\Perl5.18\perl\lib\CORE" -s -L"C:\Perl5.18\perl\lib\CORE" -L"C:\Perl5.18\c\lib" C:\Perl5.18\perl\lib\CORE\libperl518.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libmoldname.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libkernel32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libuser32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libgdi32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libwinspool.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libcomdlg32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libadvapi32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libshell32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libole32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\liboleaut32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libnetapi32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libuuid.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libws2_32.a C:\Perl5.18\c\x86_64-w64-min gw32\lib\libmpr.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libwinmm.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libversion.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libodbc32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libodbccp32.a C:\Perl5.18\c\x86_64-w64-mingw32\lib\libcomctl32.a In file included from C:\Perl5.18\perl\lib\CORE/sys/socket.h:180:0, from C:\Perl5.18\perl\lib\CORE/win32.h:386, from C:\Perl5.18\perl\lib\CORE/win32thread.h:4, from C:\Perl5.18\perl\lib\CORE/perl.h:2869, from hello.c:2: C:\Perl5.18\perl\lib\CORE/win32.h:391:26: warning: "/*" within comment [-Wcomment] C:\Perl5.18\perl\lib\CORE/win32.h:392:33: warning: "/*" within comment [-Wcomment] In file included from C:\Perl5.18\perl\lib\CORE/win32thread.h:4:0, from C:\Perl5.18\perl\lib\CORE/perl.h:2869, from hello.c:2: C:\Perl5.18\perl\lib\CORE/win32.h:391:26: warning: "/*" within comment [-Wcomment] C:\Perl5.18\perl\lib\CORE/win32.h:392:33: warning: "/*" within comment [-Wcomment] C:\test>.\hello.exe hello.pl18 C:\test>