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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 create my own toolchain that targets the OMAP4 processor (Cortex-A9) running a Linux 3.0.x kernel.
https://sourceware.org/bugzilla/show_bug.cgi?id=4750
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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://gcc.gnu.org/ml/gcc-help/2004-03/msg00170.html
Subject: Re: visibility attribute not supported?! ... When I try to > compile glibc I get a warning about the visibility attribute not being > supported. I've tested this out with a test program that uses the > visibility attribute and that fails as well. So glibc won't build for > me. How do I enable the visibility attribute?
https://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html
5.24 Declaring Attributes of Functions. ... On systems that support the visibility attribute, ... On the Intel 386, the stdcall attribute causes the compiler to assume that the called function will pop off the stack space used to pass arguments, unless it takes a variable number of arguments.
https://gcc.gnu.org/onlinedocs/gcc-4.6.4/gcc/Function-Attributes.html
On the Intel 386 with SSE support, the sseregparm attribute causes the compiler to pass up to 3 floating point arguments in SSE registers instead of on the stack. Functions that take a variable number of arguments will continue to pass all of their floating point arguments on the stack.
https://sourceware.org/bugzilla/show_bug.cgi?id=9800
All right, this is very confusing. Almost every website concerning cross-compilation tools instructs to build glibc with "--target" -option. Surely this can't be wrong, so …
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14654
The reason why it is not supported is because your binutils does not support it, update that and rebuild GCC and you will get the attribute visibility working.
http://sourceware-org.1504.n7.nabble.com/glibc-configure-error-forced-unwind-support-is-required-td25074.html
glibc configure error: forced unwind support is required. Hi, I am trying to build a native toolchain using the following sources: Binutils-2.19 Gcc-4.4-20090327 Glibc-2.9 Linux kernel...
https://www.crifan.com/cygwin_crosstool_ng_configure_error_support_for_the_tls_model_attribute_is_required/
[CFG ] checking for tls_model attribute... no [ERROR] configure: error: support for the tls_model attribute is required 还是配置参数不正确。 7.参考：
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