lyd@ubuntu:~/pdf/pdfium$ gyp --depth=. pdfium.gyp -Dtarget_arch=x64 gyp: name 'clang' is not defined while evaluating condition 'clang==1' in pdfium.gyp lyd@ubuntu:~/pdf/pdfium$ gyp --depth=. pdfium.gyp -Dtarget_arch=x64 -Dclang=1 gyp: name 'os_posix' is not defined while evaluating condition 'os_posix==1' in pdfium.gyp lyd@ubuntu:~/pdf/pdfium$ gyp --depth=. pdfium.gyp -Dtarget_arch=x64 -Dclang=1 -Dos_posix=1 gyp: name 'component' is not defined while evaluating condition 'component=="shared_library"' in v8/tools/gyp/v8.gyp lyd@ubuntu:~/pdf/pdfium$ gyp --depth=. pdfium.gyp -Dtarget_arch=x64 -Dclang=1 -Dos_posix=1 -Dcomponent=shared_library gyp: name 'v8_optimized_debug' is not defined while evaluating condition 'v8_optimized_debug==0' in v8/tools/gyp/v8.gyp lyd@ubuntu:~/pdf/pdfium$ gyp --depth=. pdfium.gyp -Dtarget_arch=x64 -Dclang=1 -Dos_posix=1 -Dcomponent=shared_library -Dv8_optimized_debug=0 gyp: Undefined variable icu_gyp_path in v8/tools/gyp/v8.gyp
标签：target,pdfium,x64,lyd,gyp,v8,arch From： https://www.cnblogs.com/hshy/p/18132545