C ++ kod filtillägg? .cc vs .cpp [stängd] - Siwib
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c · v · m · M · g. +1. In this article . Find a compiler option; Specify compiler options; Related build tools; See also. Я понимаю, что CFLAGS (или CXXFLAGS для C++) предназначены для компилятора, в то время как CPPFLAGS используется препроцессором. Но я все There are packages for gcc-4.8 and 4.9 , and also llvm/clang 3.0 . The former aren't included mainly for licensing reasons (GPLv2 vs GPLv3), the latter isn't used FIXME: empty CFLAGS and CXXFLAGS are assumed for this to work.
CXXFLAGS, 2004-08-05 For the best performance, use binaries made for your cpu or compile yourself, using optimized settings for CHOST, CFLAGS, CXXFLAGS The important flags. The most important flags are -mcpu and -march. -mcpu=pentium3 means the code will be optimized to run on Pentium3, but will also run on i386. -march=pentium3 means the code will only run on a 2015-08-20 makefile - CFLAGS vs CPPFLAGS .
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Mais je ne comprends toujours pas la différence. Prefer setting AM_CPPFLAGS vs. CPPFLAGS, etc.
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The reason for this is because every program is different. It works, but there is one catch, I can't seem to configure separate options for the compilation of.c vs.cpp files.
Default compilation flags to be used when compiling CXX (C++) files. Will only be used by CMake on the first configuration to determine CXX default compilation flags, after which the value for CXXFLAGS is stored in the cache as CMAKE_CXX_FLAGS.
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Je comprends que CFLAGS (ou CXXFLAGS pour C ++) sont pour le compilateur, alors que CPPFLAGS est utilisé par le préprocesseur.
SHLIB_LINK.
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Tôi hiểu rằng CFLAGS (hoặc CXXFLAGS cho C ++) là dành cho trình biên dịch, trong khi CPPFLAGS được sử dụng bởi bộ tiền xử lý. Nhưng tôi vẫn không hiểu sự khác biệt. When you’re building a sizable project you’re going to be making use of a lot of tools that may have local dependences. For example, when I was building R-3.4.0 on our vulcan supercomputer, I discovered that R was insisting on more recent version CFLAGS vs CPPFLAGS (2) . I understand that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used by the preprocessor. cflags vs cppflags Je comprends que CFLAGS (ou CXXFLAGS pour C ++) sont pour le compilateur, alors que CPPFLAGS est utilisé par le préprocesseur. Mais je ne comprends toujours pas la différence.
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CXXFLAGS, C++ compiler flags. FC, Fortran77 compiler, f77. FFLAGS, Fortran77 compiler flags. prompt: env CPPFLAGS=-I/usr/contrib/include ../dist/configure. To specify debugging and optimization options for the C++ compiler, use the CXXFLAGS 2020年6月11日 CFLAGS vs CPPFLAGS我知道CFLAGS(或C ++的CXXFLAGS)用于编译器，而 CPPFLAGS由预处理器使用。但是我仍然不明白区别。我需要 CFLAGS, CPPFLAGS, CXXFLAGS, FFLAGS and LDFLAGS may be defined with All the cgo CPPFLAGS and CFLAGS directives in a package are concatenated and used to compile C files in that package. -V Print cgo version and exit.
Jag har sett C ++ - kod sparad som både .cc- och .cpp-filer. Är det en skillnad mellan de två? Google-stilguiden verkar föreslå .cc, men ger ingen förklaring. CXXFLAGS=-isysroot CPPFLAGS=-isysroot uname -m = x86_64 uname -r = 19.2.0 uname -s = Darwin uname -v = Darwin Kernel Version 19.2.0: Sat Nov CXXFLAGS=" -ggdb -march=native -O2 -pipe" DISTDIR="/var/cache/distfiles" CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, CFLAGS vs CPPFLAGS. Jag förstår att CFLAGS (eller CXXFLAGS för C ++) är för kompilatorn, medan CPPFLAGS används av förprocessorn. Men jag förstår CXXFLAGS="-march=athlon64 -O2 -pipe" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, LANG, CPPFLAGS is supposed to be for flags for the C P re P rocessor; CXXFLAGS is for flags for the C++ compiler. The default rules in make (on my machine, at any rate) pass CPPFLAGS to just about everything, CFLAGS is only passed when compiling and linking C, and CXXFLAGS is only passed when compiling and linking C++. I understand that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used by the preprocessor.