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https://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Function-Attributes.html
You can use __declspec(dllexport) as a synonym for __attribute__ ((dllexport)) for compatibility with other compilers. On systems that support the visibility attribute, this attribute also implies “default” visibility, unless a visibility attribute is explicitly specified.
https://www.ibm.com/developerworks/aix/library/au-aix-symbol-visibility-part2/index.html
And the XL C/C++ compiler for AIX, V13.1 or later version would be sufficient to support the visibility feature in C/C++ code. Resources. Controlling symbol visibility for shared libraries: Part 1 - Introduction to symbol visibility is the first part of this series. It introduces the basic methods to control symbol visibility.
http://www.keil.com/support/man/docs/armcc/armcc_chr1359124983511.htm
Non-Confidential PDF versionARM DUI0375H ARM® Compiler v5.06 for µVision® armcc User GuideVersion 5Home > Compiler-specific Features > __attribute__((visibility("visibility_type"))) variable attribute 9.68 __attribute__((visibility("visibility_type"))) variable attribute This variable attribute affects the visibility of ELF symbols. NoteThis attribute is a GNU compiler …
https://github.com/Microsoft/DirectXShaderCompiler/pull/1760/files
Don't you need compiler-specific switches here? Do all windows compilers support __declspec(dll*) and all non-windows compilers support __attribute__((visibility)) ? This comment has been minimized.
https://gcc.gnu.org/onlinedocs/gcc-4.6.4/gcc/Function-Attributes.html
Using the GNU Compiler Collection (GCC) 6.30 Declaring Attributes of Functions. In GNU C, you declare certain things about functions called in your program which help the compiler optimize function calls and check your code more carefully.
http://sourceware-org.1504.n7.nabble.com/Compiler-support-for-visibility-attribute-is-required-Crosstool-1-15-2-td158830.html
Compiler support for visibility attribute is required (Crosstool 1.15.2). Hey all, I’m new to building cross-compiler toolchains, my experience is from using pre-built binaries. I’m trying to...
http://www.keil.com/support/man/docs/armcc/armcc_chr1359124983745.htm
Non-Confidential PDF versionARM DUI0375H ARM® Compiler v5.06 for µVision® armcc User GuideVersion 5Home > Compiler-specific Features > __attribute__((weak)) variable attribute 9.69 __attribute__((weak)) variable attribute The declaration of a weak variable is permitted, and acts in a similar way to __weak. In GNU mode: extern int Variable_Attributes_weak_1 …
https://sourceware.org/bugzilla/show_bug.cgi?id=4750
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https://stackoverflow.com/questions/26025708/warning-visibility-attribute-ignored-symbol-visibility-c-gcc
Related topic: Why does const imply internal linkage in c++, when it doesn't in C? I was following GCC visibility wiki to add visibility to my shared library.. It generates a warning when I'm compiling my source file. warning: 'visibility' attribute ignored [-Wattributes] Here's my code:
https://stackoverflow.com/questions/2222162/how-to-apply-fvisibility-option-to-symbols-in-static-libraries
According to the GCC Visibility Wiki under the section How to use the new C++ visibility support it is stated that alter your make system to pass -fvisibility=hidden to each call of GCC compiling a source file.. So I was wondering if you really need to set the visibility flag when building the so object.
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