[Buildroot] [PATCH 2/2] package/tcf-agent: fix uClibc-ng compile on ARM

[Waldemar Brodkorb]

When a shared build is used, we can use getauxval and no ARM only
instuctions are in use.

When a static build is used, we need to override, as uClibc-ng only
supports getauxval for shared case.

Fixes:
 - http://autobuild.buildroot.net/results/3b5/3b5c5519a3e5ee490308bc1a1b9579ce13417235

Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
---
 .../0001-fix-uClibc-ng-compile.patch          | 27 +++++++++++++++++++
 package/tcf-agent/tcf-agent.mk                |  6 +++++
 2 files changed, 33 insertions(+)
 create mode 100644 package/tcf-agent/0001-fix-uClibc-ng-compile.patch

diff --git a/package/tcf-agent/0001-fix-uClibc-ng-compile.patch b/package/tcf-agent/0001-fix-uClibc-ng-compile.patch
new file mode 100644
index 0000000000..b8f46f3c48
--- /dev/null
+++ b/package/tcf-agent/0001-fix-uClibc-ng-compile.patch
@@ -0,0 +1,27 @@
+From a78007cd139e1dea3d893f5fe1d1c3a47503e6a2 Mon Sep 17 00:00:00 2001
+From: Waldemar Brodkorb <wbx at openadk.org>
+Date: Sat, 12 Aug 2023 18:27:02 +0200
+Subject: [PATCH] fix uClibc-ng compile
+
+Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
+Upstream: N/A only mail available
+---
+ agent/machine/arm/tcf/cpudefs-mdep.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/agent/machine/arm/tcf/cpudefs-mdep.c b/agent/machine/arm/tcf/cpudefs-mdep.c
+index 051631a0..7c4fbf3e 100644
+--- a/agent/machine/arm/tcf/cpudefs-mdep.c
++++ b/agent/machine/arm/tcf/cpudefs-mdep.c
+@@ -21,7 +21,7 @@
+ 
+ #ifndef USE_getauxval
+ #  include <features.h>
+-#  define USE_getauxval (defined(__GLIBC__) && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 16)))
++#  define USE_getauxval (defined(__GLIBC__) && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 16)) || (defined(__UCLIBC__) && defined(__HAVE_SHARED__)))
+ #endif
+ 
+ #include <stddef.h>
+-- 
+2.39.2
+
diff --git a/package/tcf-agent/tcf-agent.mk b/package/tcf-agent/tcf-agent.mk
index 2b8a61b66f..7859d0ed43 100644
--- a/package/tcf-agent/tcf-agent.mk
+++ b/package/tcf-agent/tcf-agent.mk
@@ -21,6 +21,12 @@ TCF_AGENT_CONF_OPTS = \
 	-DBUILD_SHARED_LIBS=OFF \
 	-DTCF_MACHINE=$(call qstrip,$(BR2_PACKAGE_TCF_AGENT_ARCH))
 
+ifeq ($(BR2_STATIC_LIBS),y)
+ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
+TCF_AGENT_CONF_OPTS += -DCMAKE_C_FLAGS="$(TARGET_CFLAGS) -marm"
+endif
+endif
+
 define TCF_AGENT_INSTALL_INIT_SYSTEMD
 	$(INSTALL) -D -m 644 package/tcf-agent/tcf-agent.service \
 		$(TARGET_DIR)/usr/lib/systemd/system/tcf-agent.service
-- 
2.39.2