dev-libs/tfdn: add 1.11.0-r1 for bug #972554

Signed-off-by: amielke <gentoo@amielke.de>

dev-libs/tfdn/files/tfdn-1.11.0-glibc-2.43-once-flag.patch

@@ -0,0 +1,57 @@
+--- a/include/the_Foundation/c11threads.h	2026-04-19 00:30:03.038445115 +0200
++++ b/include/the_Foundation/c11threads.h	2026-04-19 00:30:03.069844680 +0200
+@@ -31,7 +31,12 @@
+ typedef pthread_mutex_t mtx_t;
+ typedef pthread_cond_t cnd_t;
+ typedef pthread_key_t tss_t;
++#ifndef __once_flag_defined
++#ifndef ONCE_FLAG_INIT
++#define ONCE_FLAG_INIT PTHREAD_ONCE_INIT
++#endif
+ typedef pthread_once_t once_flag;
++#endif
+ 
+ typedef int (*thrd_start_t)(void*);
+ typedef void (*tss_dtor_t)(void*);
+@@ -90,7 +95,9 @@
+ 
+ /* ---- misc ---- */
+ 
++#ifndef __once_flag_defined
+ void call_once(once_flag *flag, void (*func)(void));
++#endif
+ 
+ iEndPublic
+ 
+--- a/src/c11threads.c	2026-04-19 00:30:03.041073068 +0200
++++ b/src/c11threads.c	2026-04-19 00:30:03.069936752 +0200
+@@ -35,7 +35,9 @@
+ #endif
+ #include <time.h>
+ 
++#ifndef __once_flag_defined
+ #define ONCE_FLAG_INIT PTHREAD_ONCE_INIT
++#endif
+ 
+ #ifdef C11THREADS_NO_TIMED_MUTEX
+ #  define PTHREAD_MUTEX_TIMED_NP PTHREAD_MUTEX_NORMAL
+@@ -184,6 +186,8 @@
+ 
+ void *tss_get(tss_t key) { return pthread_getspecific(key); }
+ 
++#ifndef __once_flag_defined
+ void call_once(once_flag *flag, void (*func)(void)) {
+     pthread_once(flag, func);
+ }
++#endif
+--- a/src/string.c	2026-04-19 00:30:03.043229412 +0200
++++ b/src/string.c	2026-04-19 00:30:03.070124145 +0200
+@@ -1196,7 +1196,7 @@
+ #if defined(iHaveC11Threads)
+     static once_flag inited = ONCE_FLAG_INIT;
+ #else
+-    static once_flag inited = PTHREAD_ONCE_INIT;
++    static once_flag inited = ONCE_FLAG_INIT;
+ #endif
+     call_once(&inited, &bufKeyInit);
+ 

dev-libs/tfdn/tfdn-1.11.0-r1.ebuild

@@ -0,0 +1,56 @@
+# Copyright 2021-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DOCS_BUILDER="doxygen"
+DOCS_DEPEND="app-text/doxygen[dot]"
+DOCS_CONFIG_NAME="the_Foundation.doxygen"
+inherit cmake docs flag-o-matic
+
+MY_PN="the_foundation"
+DESCRIPTION="Opinionated C11 library for low-level functionality"
+HOMEPAGE="https://git.skyjake.fi/skyjake/the_Foundation"
+SRC_URI="https://git.skyjake.fi/skyjake/${MY_PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${MY_PN}"
+
+LICENSE="BSD-2"
+SLOT="0/1.11"
+KEYWORDS="~amd64 ~x86"
+IUSE="cpu_flags_x86_sse4_1 curl debug ssl"
+
+PATCHES=(
+	"${FILESDIR}"/tfdn-1.11.0-glibc-2.43-once-flag.patch
+)
+
+DEPEND="
+	dev-libs/libpcre2:=
+	dev-libs/libunistring:=
+	virtual/zlib:=
+	curl? ( net-misc/curl )
+	ssl? ( dev-libs/openssl:= )
+"
+RDEPEND="${DEPEND}"
+
+src_prepare() {
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DTFDN_ENABLE_WARN_ERROR=OFF
+		-DTFDN_ENABLE_DEBUG_OUTPUT=$(usex debug)
+		-DTFDN_ENABLE_SSE41=$(usex cpu_flags_x86_sse4_1)
+		-DTFDN_ENABLE_TESTS=OFF  # not actual tests
+		-DTFDN_ENABLE_TLSREQUEST=$(usex ssl)
+		-DTFDN_ENABLE_WEBREQUEST=$(usex curl)
+	)
+
+	append-cppflags $(usex debug "-UNDEBUG" "-DNDEBUG")
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+	docs_compile
+}