dev-cpp/tbb: fix build on musl

Closes: https://bugs.gentoo.org/830698
Signed-off-by: Sam James <sam@gentoo.org>

dev-cpp/tbb/files/tbb-2021.5.0-musl-deepbind.patch

@@ -0,0 +1,25 @@
+https://github.com/oneapi-src/oneTBB/commit/883c2e5245c39624b3b5d6d56d5b203cf09eac38
+https://bugs.gentoo.org/830698
+
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 15 Dec 2021 08:08:07 -0800
+Subject: [PATCH] Musl/linux can not use RTLD_DEEPBIND (#684)
+
+Exclude non-glibc linux systems along with android
+Fixes
+src/tbb/dynamic_link.cpp:417:29: error: use
+ of undeclared identifier 'RTLD_DEEPBIND'                                                                                    |             flags = flags | RTLD_DEEPBIND;
+|                             ^
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+--- a/src/tbb/dynamic_link.cpp
++++ b/src/tbb/dynamic_link.cpp
+@@ -413,7 +413,7 @@ namespace r1 {
+         int flags = RTLD_NOW;
+         if (local_binding) {
+             flags = flags | RTLD_LOCAL;
+-#if __linux__ && !__ANDROID__ && !__TBB_USE_SANITIZERS
++#if (__linux__ && __GLIBC__) && !__TBB_USE_SANITIZERS
+             flags = flags | RTLD_DEEPBIND;
+ #endif
+         } else {

dev-cpp/tbb/tbb-2021.5.0.ebuild

@@ -25,6 +25,7 @@ BDEPEND="virtual/pkgconfig"
 PATCHES=(
 	# should be in.. 2022?
 	"${FILESDIR}"/${PN}-2021.4.0-lto.patch
+	"${FILESDIR}"/${PN}-2021.5.0-musl-deepbind.patch
 )
 
 src_configure() {