Auto merge of #2862 - LegNeato:master, r=Amanieu

Add `gnu_get_[version|release]` for glibc See <https://sourceware.org/git/?p=glibc.git;a=blob;f=csu/version.c;h=8c0ed79c01223e1f12b54d19f90b5e5b7dd78d27;hb=HEAD#l51> and <http://refspecs.linux-foundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/libc-gnu-get-libc-version-1.html>
rust-lang · Aug 11, 2022 · aa0f5b5 · aa0f5b5
2 parents 14e178c + f49efe4
commit aa0f5b5
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diff --git a/libc-test/build.rs b/libc-test/build.rs
@@ -2675,6 +2675,7 @@ fn test_linux(target: &str) {
                "elf.h",
                "fcntl.h",
                "glob.h",
+               [gnu]: "gnu/libc-version.h",
                "grp.h",
                "iconv.h",
                "ifaddrs.h",

diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
@@ -1326,6 +1326,11 @@ extern "C" {
     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
 }
 
+extern "C" {
+    pub fn gnu_get_libc_release() -> *const ::c_char;
+    pub fn gnu_get_libc_version() -> *const ::c_char;
+}
+
 cfg_if! {
     if #[cfg(any(target_arch = "x86",
                  target_arch = "arm",