# Export cflags

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export RETPOLINE_CFLAGS: export RETPOLINE_VDSO_CFLAGS: include arch / $(SRCARCH)/ Makefile: ifdef need-config: ifdef may-sync-config # Read in dependencies to all Kconfig* files, make sure to run syncconfig if # changes are detected. This should be included after arch/$(SRCARCH)/Makefile. export CFLAGS GCC help. Hi all i hope this is the correct place to post this question! I am trying to put the following optimisations into a script that i can call if i want to compile apache (or anything) for a web server. I can do an "export" on the command line and see these variables using env but if i put them in an (chmod 755) file then. Manually adding -latomic to your ldflags should no longer be necessary Uwsa2 Reddit, CFLAGS="-g -Wall") then you can leave them alone /configure phase h files in build directories, we also need to include some build dirs in our include paths . Quote: Dear all, another updated version for the CMake-based build system is available, which adresses. For people are trying to compile iraf with gcc10 (default compiler for Arch): Have to modify the "Makefile" adding fcommon flag to the CFLAGS That will look like: export CFLAGS = -g -Wall -O2 $(CARCH) -fcommon Then the compilation can be. 环境变量 英文描述 中文描述 举例 CC C compiler command C编译器 export CC=gcc export CC=icc CFLAGS C compiler flags C编译器选项 export CFLAGS='-O3 -fPIC -fopenmp -I/path/to/your/include'. To pass build flags to a build command in a makefile:$(MAKE) $(shell dpkg-buildflags --export=cmdline) ./configure$(shell dpkg-buildflags --export=cmdline) To set build flags in a shell script or shell fragment, eval can be used to interpret the output and to export the flags in the environment: eval "$(dpkg-buildflags --export=sh)" && make. export CFLAGS="-m64" export CFLAGS="-arch ppc64" export CFLAGS="-mabi=64" export QEMU_CFLAGS="-mabi=64" And I'm getting a variety of errors when either configuring or building from each of these flags. DearthnVader macrumors 68000. Original poster. Dec 17, 2015 1,512 6,079 Red Springs, NC. Jun 4, 2018 #17 LightBulbFun said: ya know i never even. #externals - Opening PHP's #internals to the outside. export CFLAGS=-ggdb export CXXFLAGS=-ggdb CMake will append them to all configurations' flags. Just make sure to clear CMake cache. You must change the cmake C/CXX default FLAGS . According to CMAKE_BUILD_TYPE= {DEBUG/MINSIZEREL/RELWITHDEBINFO/RELEASE} put in the main CMakeLists.txt one of : For C. To pass build flags to a build command in a makefile:$(MAKE) $(shell dpkg-buildflags --export=cmdline) ./configure$(shell dpkg-buildflags --export=cmdline) To set build flags in a shell script or shell fragment, eval can be used to interpret the output and to export the flags in the environment: eval "$(dpkg-buildflags --export=sh)" && make. . export CFLAGS="-m64" export CFLAGS="-arch ppc64" export CFLAGS="-mabi=64" export QEMU_CFLAGS="-mabi=64" And I'm getting a variety of errors when either configuring or building from each of these flags. DearthnVader macrumors 68000. Original poster. Dec 17, 2015 1,512 6,079 Red Springs, NC. Jun 4, 2018 #17 LightBulbFun said: ya know i never even. Manually adding -latomic to your ldflags should no longer be necessary Uwsa2 Reddit, CFLAGS="-g -Wall") then you can leave them alone /configure phase h files in build directories, we also need to include some build dirs in our include paths . Quote: Dear all, another updated version for the CMake-based build system is available, which adresses. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. export CFLAGS=-ggdb export CXXFLAGS=-ggdb CMake will append them to all configurations' flags. Just make sure to clear CMake cache. You must change the cmake C/CXX default FLAGS . According to CMAKE_BUILD_TYPE= {DEBUG/MINSIZEREL/RELWITHDEBINFO/RELEASE} put in the main CMakeLists.txt one of : For C. In general, icc supports many of the same CFLAGS gcc supports and is also pretty tolerant to gcc flags it cannot use. In most cases it will happily ignore the flag warning the user and moving on. For an exhaustive list and explanation of available compiler flags, consult the icc manpage or better yet by invoking the compiler with the help flag:. LKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 00/22] add support for Clang LTO @ 2020-06-24 20:31 Sami Tolvanen 2020-06-24 20:31  [PATCH 01/22] objtool: use sh_info to find the base for .rela sections Sami Tolvanen  (25 more replies) 0 siblings, 26 replies; 212+ messages in thread From: Sami Tolvanen @ 2020-06-24 20:31 UTC (permalink / raw. Unable to export lib and, save graph and params to a file. I want to use C++ API to generate executable and for that I need .so, .json and .params files. I were unable to generate these files after compilation. Below are the codes from my python script and makefile. Please make a comment on the issue. export CFLAGS GCC help. Hi all i hope this is the correct place to post this question! I am trying to put the following optimisations into a script that i can call if i want to compile apache (or anything) for a web server. I can do an "export" on the command line and see these variables using env but if i put them in an (chmod 755) file then. For people are trying to compile iraf with gcc10 (default compiler for Arch): Have to modify the "Makefile" adding fcommon flag to the CFLAGS That will look like: export CFLAGS = -g -Wall -O2$(CARCH) -fcommon Then the compilation can be. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange. Manually adding -latomic to your ldflags should no longer be necessary Uwsa2 Reddit, CFLAGS="-g -Wall") then you can leave them alone /configure phase h files in build directories, we also need to include some build dirs in our include paths . Quote: Dear all, another updated version for the CMake-based build system is available, which adresses.

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#### For people are trying to compile iraf with gcc10 (default compiler for Arch): Have to modify the "Makefile" adding fcommon flag to the CFLAGS That will look like: export CFLAGS = -g -Wall -O2 $(CARCH) -fcommon Then the compilation can be. Currently we have following in our build scripts (that we use for releases): export CFLAGS ="-fPIC -Wall -O3 -g -static-libgcc -fno-omit-frame-pointer -DPERCONA. This process also produces "mpiexec" for running MPI programs. We suggest using the "online installer" download, which is a small download. The "online" installer can be copied over SSH to your HPC user account for. To build locally, use LOCAL_CFLAGS instead. LOCAL_EXPORT_CPPFLAGS. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C++ flags only. LOCAL_EXPORT_C_INCLUDES. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C include paths. It is useful in cases where, for example, bar.c needs to include headers from module foo. LOCAL_EXPORT. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. ZWI Export; CFLAGS and CXXFLAGS are either the name of environment variables or of Makefile variables that can be set to specify additional switches to be passed to a compiler in the process of building computer software. ... CFLAGS enables the addition of switches for the C compiler, while CXXFLAGS is meant to be used when invoking a C++ compiler. c53ca5908936d412331790f4426c6c33 bios psxonpsp660 bin 15 February 2023 #### cynthia lynn nude ippsec writeups 15 February 2023 #### gcc_plugins_cflags:= export arch srcarch config_shell hostcc hostcflags cross_compile as ld cc @@ -434,7 +434,7 @@ export cpp ar nm strip objcopy objdump hostldflags host_loadlibes export make lex yacc awk genksyms installkernel perl python python2 python3 uts_machine export hostcxx hostcxxflags ldflags_module check checkflags -export. export. stagg jr in stock. ww2 german shirts; 5950 live oak parkway norcross ga 30093; lamont properties wix set focus; accident 99e oregon city maneuvering the middle llc 2016 systems of equations unit test answer key build a derringer. npmrc to yarnrc yml 1989 winnebago chieftain specs; georgetown university ranking 2021. CFLAGS = -Wall -O2 -g -I/usr/nwsdk/include/ -nostdinc -fno-builtin -fpack-struct this is what we set CFLAGS while making a Makefile ,i read it on different web sources but unable to fully understand the different options like -Wall If you can give me some tips over this. how often are employees required to receive usa patriot act training. export CFLAGS="-DSYSV -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 -D_AIX51 -D_AIX52 -D_AIX53 -D_AIX61 -D_AIX71 \ -D_ALL_SOURCE -DFUNCPROTO=15 -O -I/opt/freeware/include" Source code and SPEC files Remarks. I always provide the source code as well as all patches and the SPEC file. The only exception is GCC where the source code is linked directly to the. black sherif new song 2022 always 15 February 2023 #### LKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH 00/22] add support for Clang LTO @ 2020-06-24 20:31 Sami Tolvanen 2020-06-24 20:31  [PATCH 01/22] objtool: use sh_info to find the base for .rela sections Sami Tolvanen  (25 more replies) 0 siblings, 26 replies; 212+ messages in thread From: Sami Tolvanen @ 2020-06-24 20:31 UTC (permalink / raw. To build locally, use LOCAL_CFLAGS instead. LOCAL_EXPORT_CPPFLAGS. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C++ flags only. LOCAL_EXPORT_C_INCLUDES. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C include paths. It is useful in cases where, for example, bar.c needs to include headers from module foo. LOCAL_EXPORT. To build locally, use LOCAL_CFLAGS instead. LOCAL_EXPORT_CPPFLAGS. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C++ flags only. LOCAL_EXPORT_C_INCLUDES. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C include paths. It is useful in cases where, for example, bar.c needs to include headers from module foo. LOCAL_EXPORT.$ export CC=clang $export CFLAGS=-O3$ make -e all Some make implementations have other special kinds of macro assignment operators beyond simple assignment (=). These are unnecessary, so don’t worry about them. Inference rules so. 1 Overview of make . The make utility automatically determines which pieces of a large program need to be recompiled, and issues commands to recompile them. This manual describes GNU make , which was implemented by Richard Stallman and Roland McGrath.Development since Version 3.76 has been handled by Paul D. Smith. CXXFLAGS 表示用于 C++ 编译器的选项。 这两个变量实际上涵盖了编译和汇编两个步骤。 CFLAGS： 指定头文件（.h文件）的路径，如：CFLAGS=-I/usr/include -I/path/include。 同样地，安装一个包时会在安装路径下建立一个include目录，当安装过程中出现问题时，试着把以前安装的包的include目录加入到该变量中来。 LDFLAGS：gcc 等编译器会用到的一些优化参数，也可以在里面指定库文件的位置。 用法：LDFLAGS=-L/usr/lib -L/path/to/your/lib。 每安装一个包都几乎一定的会在安装目录里建立一个lib目录。. ZWI Export; CFLAGS and CXXFLAGS are either the name of environment variables or of Makefile variables that can be set to specify additional switches to be passed to a compiler in the process of building computer software. ... CFLAGS enables the addition of switches for the C compiler, while CXXFLAGS is meant to be used when invoking a C++ compiler. . . For people are trying to compile iraf with gcc10 (default compiler for Arch): Have to modify the "Makefile" adding fcommon flag to the CFLAGS That will look like: export CFLAGS = -g -Wall -O2 $(CARCH) -fcommon Then the compilation can be. cc0 3d models 15 February 2023 #### linux命令学习：PATH and LDFLAGS and CFLAGS. CFLAGS 表示用于 C 编译器的选项，. CXXFLAGS 表示用于 C++ 编译器的选项。. 这两个变量实际上涵盖了编译和汇编两个步骤。. 先来看几个相关的环境变量：PATH、LDFLAGS、CFLAGS. PATH：大家应该都非常熟悉。. 安装一个包后可能会在. mysql_config produces invalid cflags (was: udf _example.c couldn't compile) Log In. Export . XML Word Printable. Details. Type: Bug Status: Closed (View Workflow. . export CC=xlc_r; export CFLAGS=-q64; export OBJECT_MODE=64; Important. In instances where IBM Data Server Driver for ODBP and CLI v9.7 Fix Pack 4 will be used to connect to a DB2 database from an AIX 64-bit host, the following patching of unixODBC 2.3.0 code is required to mitigate a possible defect in the IBM driver for AIX 64-bit. percy jackson imprisoned in tartarus fanfiction; spicy spins bonus code; 275 40 r18 tyre pressure; lane recliner mechanism parts suppliers near mie. export CFLAGS=-ggdb export CXXFLAGS=-ggdb CMake will append them to all configurations' flags. Just make sure to clear CMake cache. You must change the cmake C/CXX default FLAGS . According to CMAKE_BUILD_TYPE= {DEBUG/MINSIZEREL/RELWITHDEBINFO/RELEASE} put in the main CMakeLists.txt one of : For C. dyer druri me xham 15 February 2023 #### To use cgo write normal Go code that imports a pseudo-package "C". The Go code can then refer to types such as C.size_t, variables such as C.stdout, or functions such as C.putchar. If the import of "C" is immediately preceded by a comment, that comment, called the preamble, is used as a header when compiling the C parts of the package. 1 Overview of make . The make utility automatically determines which pieces of a large program need to be recompiled, and issues commands to recompile them. This manual describes GNU make , which was implemented by Richard Stallman and Roland McGrath.Development since Version 3.76 has been handled by Paul D. Smith. CFLAGS stands for compiler flags; LDFLAGS for linker flags (the linker is ld). ... LDFLAGS="-static" --disable-shared$ make LDFLAGS="-static" LINKFORSHARED=" "LINKFORSHARED=" "prevents passing -export-dynamic to the linker, which will cause the binary to be built as a dynamically linked executable. You may need additional flags to build. stagg jr in stock. ww2 german shirts; 5950 live oak parkway norcross ga 30093; lamont properties wix set focus; accident 99e oregon city maneuvering the middle llc 2016 systems of equations unit test answer key build a derringer. npmrc to yarnrc yml 1989 winnebago chieftain specs; georgetown university ranking 2021. 大多数软件包遵守如下约定俗成的规范： #1,首先从源代码生成目标文件 (预处理,编译,汇编)，"-c"选项表示不执行链接步骤。 $(CC)$ (CPPFLAGS) $(CFLAGS) example.c -c -o example.o #2,然后将目标文件连接为最终的结果 (连接)，"-o"选项用于指定输出文件的名字。$ (CC) $(LDFLAGS) example.o -o example #有一些软件包一次完成四个步骤：$ (CC) $(CPPFLAGS)$ (CFLAGS) $(LDFLAGS) example.c -o example 当然也有少数软件包不遵守这些约定俗成的规范，比如： #1,有些在命令行中漏掉应有的Makefile变量 (注意：有些遗漏是故意的). ukay ukay direct bodega davao city 15 February 2023 #### mysql_config produces invalid cflags (was: udf _example.c couldn't compile) Log In. Export . XML Word Printable. Details. Type: Bug Status: Closed (View Workflow. #externals - Opening PHP's #internals to the outside. 来自：网络 更新日期：早些时候. To use cgo write normal Go code that imports a pseudo-package "C". The Go code can then refer to types such as C.size_t, variables such as C.stdout, or functions such as C.putchar. If the import of "C" is immediately preceded by a comment, that comment, called the preamble, is used as a header when compiling the C parts of the package. livescore rapidapi 15 February 2023 #### mongodb default user and password docker free space marine stl file 15 February 2023 ## zetor 6340 for sale how to create line type in sap abap #### google chat download for pc windows 10 ## national grid gas meter replacement ri ### holsters for ruger security 9mm The commented out lines can be used to 0 from Fedora Linux 64-bit to Windows 64-bit -Bbuild [option]$ cd build txt file itself Similarly, if you need to specify additional compiler or linker options, you can set the CFLAGS, CXXFLAGS, and LDFLAGS environment variables Similarly, if you need to specify additional compiler or linker options, you. . export CFLAGS GCC help. Hi all i hope this is the correct place to post this question! I am trying to put the following optimisations into a script that i can call if i want to compile apache (or anything) for a web server. I can do an "export" on the command line and see these variables using env but if i put them in an (chmod 755) file then. The LDFLAGS and CPPFLAGS variables contains command line flags that are passed to tools at various stages when compiling software. These should contain space-delimited flags. export LDFLAGS=-L/some/directory Later (note, you only have to export a variable once): LDFLAGS="$LDFLAGS -L/other/directory" Or, LDFLAGS+=" -L/other/directory". export CC=gcc export CFLAGS="-O3 -fno-omit-frame-pointer" export CXX=gcc export CXXFLAGS="-O3 -fno-omit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti" 这些是什么意思？ 执行后是修改了哪个文件？执行后是永远修改还是重启后又恢复了. Higher Half Kernel. 64-bit Kernel. In this tutorial we continue from Bare Bones and create a minimal template operating system suitable for further modification or as inspiration for your initial operating system version. The Bare Bones tutorial only gives you the absolutely minimal code to demonstrate how to correctly cross-compile a kernel. export CFLAGS="-Wno-error=format-security${CFLAGS}" It appears that the presence of -Werrorhas a higher priority than -Wno-error, which makes sense. I guess, the only way that is left would be to try to use string substitution. I’m not sure if that’s a good solution, but I guess I’ll give it a try on Wednesday. export CC=xlc_r; export CFLAGS=-q64; export OBJECT_MODE=64; Important. In instances where IBM Data Server Driver for ODBP and CLI v9.7 Fix Pack 4 will be used to connect to a DB2 database from an AIX 64-bit host, the following patching of unixODBC 2.3.0 code is required to mitigate a possible defect in the IBM driver for AIX 64-bit. export CFLAGS="-Wno-error=format-security ${CFLAGS}" It appears that the presence of -Werrorhas a higher priority than -Wno-error, which makes sense. I guess, the only way that is left would be to try to use string substitution. I’m not sure if that’s a good solution, but I guess I’ll give it a try on Wednesday. Linux FFmpeg VAAPI/QSV Installation Environment To install basic dependent packages To install basic dependencies on Ubuntu(18.04) Basic: #apt-get install -y cifs-utils autoconf libtool libdrm-dev yasm libghc-x11-dev libxmuu-dev libxfixes-dev libxcb-glx0-dev libgegl-dev libegl1-mesa-dev libcogl-gles2-dev #apt-get install –y git xutils-dev libpciaccess-dev xserver-xorg-dev. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. stagg jr in stock. ww2 german shirts; 5950 live oak parkway norcross ga 30093; lamont properties wix set focus; accident 99e oregon city maneuvering the middle llc 2016 systems of equations unit test answer key build a derringer. npmrc to yarnrc yml 1989 winnebago chieftain specs; georgetown university ranking 2021. export CC=gcc export CFLAGS="-O3 -fno-omit-frame-pointer" export CXX=gcc export CXXFLAGS="-O3 -fno-omit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti" 这些是什么意思？ 执行后是修改了哪个文件？执行后是永远修改还是重启后又恢复了. export PATH 然后，重新启动shell即可。 需要注意的是，PATH变量的分隔符是：号，其他的是空格， 所以LDFLAGS应该是这样： LDFLAGS="$LDFLAGS -L/path/to/lib -L/path/to/lib" CFLAGS应该是这样： CFLAGS="$CFLAGS -I/path/to/iclude -I/path/to/include" FFLAGS选项可参考man 编译器 ，来确定参数 EXTRA_CFLAGS, EXTRA_AFLAGS, EXTRA_LDFLAGS, EXTRA_ARFLAGS 所有EXTRA_变量只用在它的定义所在的那个kbuild makefile，它们被用于kbuild makefile中所有命令的执行. To use cgo write normal Go code that imports a pseudo-package "C". The Go code can then refer to types such as C.size_t, variables such as C.stdout, or functions such as C.putchar. If the import of "C" is immediately preceded by a comment, that comment, called the preamble, is used as a header when compiling the C parts of the package. To build locally, use LOCAL_CFLAGS instead. LOCAL_EXPORT_CPPFLAGS. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C++ flags only. LOCAL_EXPORT_C_INCLUDES. This variable is the same as LOCAL_EXPORT_CFLAGS, but for C include paths. It is useful in cases where, for example, bar.c needs to include headers from. CFLAGS From Wikipedia, the free encyclopedia CFLAGS and CXXFLAGS are either the name of environment variables or of Makefile variables that can be set to specify additional switches to be passed to a compiler in the process of building computer software. FFLAGS fulfills a. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange. 1 Overview of make . The make utility automatically determines which pieces of a large program need to be recompiled, and issues commands to recompile them. This manual describes GNU make , which was implemented by Richard Stallman and Roland McGrath.Development since Version 3.76 has been handled by Paul D. Smith. gcc_plugins_cflags:= export arch srcarch config_shell hostcc hostcflags cross_compile as ld cc @@ -434,7 +434,7 @@ export cpp ar nm strip objcopy objdump hostldflags host_loadlibes export make lex yacc awk genksyms installkernel perl python python2 python3 uts_machine export hostcxx hostcxxflags ldflags_module check checkflags -export. export. In case you want to add more flags to the defaults, use something like this at the top of debian/rules: # To enable all, uncomment following line # export DEB_BUILD_MAINT_OPTIONS = hardening=+all export DEB_CFLAGS_MAINT_APPEND = -Wall -pedantic export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed. To pass build flags to a build command in a makefile:$(MAKE) $(shell dpkg-buildflags --export=cmdline) ./configure$(shell dpkg-buildflags --export=cmdline) To set build flags in a shell script or shell fragment, eval can be used to interpret the output and to export the flags in the environment: eval "$(dpkg-buildflags --export=sh)" && make. ## from this valley live ### vce chemistry unit 1 notes Edited by how to reset pioneer radio without parking brake, chamet cheat codes, helical pier driver for sale harley quinn x robin fanfiction ### ipr and vlp Edited by message failed to send android blocked, lg v50 kdz seventeen all my love ### manganese phosphating process pdf Edited by is fawesome tv free, free invitation letter for international conference 2022 in switzerland, hunt showdown cronus zen, a326b imei repair, mongodb compass duplicate collection live catholic mass today on tv ### sap print preview to pdf Edited by pure white sherwin williams exterior, vidmate online, fannie mae mid rise condo definition, kuhn disc mower drain plug, bb solfege how to extrude at an angle fusion 360 • cflags 是决定 gentoo 系统效能与稳定的关键之一。恰当的 cflags 能在效能、编译时间、与系统稳定度中取得平衡，失败的 cflags 可能导致编译失败，甚至系统损毁。那么，在茫茫 cflags 海中，如何才能捞到命中注定那根针呢？ • CFLAGS = -Wall -O2 -g -I/usr/nwsdk/include/ -nostdinc -fno-builtin -fpack-struct this is what we set CFLAGS while making a Makefile ,i read it on different web sources but unable to fully understand the different options like -Wall If you can give me some tips over this. how often are employees required to receive usa patriot act training ... • CXXFLAGS 表示用于 C++ 编译器的选项。 这两个变量实际上涵盖了编译和汇编两个步骤。 CFLAGS： 指定头文件（.h文件）的路径，如：CFLAGS=-I/usr/include -I/path/include。 同样地，安装一个包时会在安装路径下建立一个include目录，当安装过程中出现问题时，试着把以前安装的包的include目录加入到该变量中来。 LDFLAGS：gcc 等编译器会用到的一些优化参数，也可以在里面指定库文件的位置。 用法：LDFLAGS=-L/usr/lib -L/path/to/your/lib。 每安装一个包都几乎一定的会在安装目录里建立一个lib目录。 • 1 Overview of make . The make utility automatically determines which pieces of a large program need to be recompiled, and issues commands to recompile them. This manual describes GNU make , which was implemented by Richard Stallman and Roland McGrath.Development since Version 3.76 has been handled by Paul D. Smith. • This is a Makefile suitable for STM32 projects that uses build rules and GCC's autodependency feature. By passing in command line arguments, this makefile will build a Release or Debug binary. See the section at the bottom of the listing, titled Defaults, for other options. NOTE This makefile is specialized for the STM32F437xx variant. export CFLAGS=-ggdb export CXXFLAGS=-ggdb ... > • The LDFLAGS and CPPFLAGS variables contains command line flags that are passed to tools at various stages when compiling software. These should contain space-delimited flags. export LDFLAGS=-L/some/directory Later (note, you only have to export a variable once): LDFLAGS="$LDFLAGS -L/other/directory" Or, LDFLAGS+=" -L/other/directory"
• export CFLAGS="-Wno-error=format-security \${CFLAGS}" It appears that the presence of -Werrorhas a higher priority than -Wno-error, which makes sense. I guess, the only way that is left would be to try to use string substitution. I’m not sure if that’s a good solution, but I guess I’ll give it a try on Wednesday.
• CXXFLAGS 表示用于 C++ 编译器的选项。 这两个变量实际上涵盖了编译和汇编两个步骤。 CFLAGS： 指定头文件（.h文件）的路径，如：CFLAGS=-I/usr/include -I/path/include。 同样地，安装一个包时会在安装路径下建立一个include目录，当安装过程中出现问题时，试着把以前安装的包的include目录加入到该变量中来。 LDFLAGS：gcc 等编译器会用到的一些优化参数，也可以在里面指定库文件的位置。 用法：LDFLAGS=-L/usr/lib -L/path/to/your/lib。 每安装一个包都几乎一定的会在安装目录里建立一个lib目录。
• In general, icc supports many of the same CFLAGS gcc supports and is also pretty tolerant to gcc flags it cannot use. In most cases it will happily ignore the flag warning the user and moving on. For an exhaustive list and explanation of available compiler flags, consult the icc manpage or better yet by invoking the compiler with the help flag: