[Buildroot] [PATCH 1/1] package/wolftpm: new package

[Dimi Tomov <dimi@tpm.dev>]

From: Dimitar Tomov <dimi@tpm.dev>

wolfTPM is an open-source TPM 2.0 stack with backward API compatibility,
designed for embedded use. It is highly portable, and has native support
for Linux. wolfTPM has a compact code size with low resource usage.

Signed-off-by: Dimitar Tomov <dimi@tpm.dev>
---
Changes v2 -> v3:
- Applied feedback from the maintainer, list of changes below
- Added new entry to the DEVELOPERS file
- Replaced depends with select for BR2_PACKAGE_WOLFSSL
- Added missing depends for BR2_TOOLCHAIN_HAS_THREADS
- Removed redundant --with-wolfcrypt option
Changes v1 -> v2:
- Fix typo in the hash file and create path before using touch
---
 DEVELOPERS                   |  3 +++
 package/Config.in            |  1 +
 package/wolftpm/Config.in    | 15 +++++++++++++++
 package/wolftpm/wolftpm.hash |  2 ++
 package/wolftpm/wolftpm.mk   | 29 +++++++++++++++++++++++++++++
 5 files changed, 50 insertions(+)
 create mode 100644 package/wolftpm/Config.in
 create mode 100644 package/wolftpm/wolftpm.hash
 create mode 100644 package/wolftpm/wolftpm.mk

diff --git a/DEVELOPERS b/DEVELOPERS
index 71cc3da6d7..c123d1b915 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -3072,3 +3072,6 @@ F:	package/quazip/
 F:	package/shapelib/
 F:	package/simple-mail/
 F:	package/tinc/
+
+N:	Dimi Tomov <dimi@tpm.dev>
+F:	package/wolftpm/
diff --git a/package/Config.in b/package/Config.in
index 00f061015f..b287c5a94d 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1431,6 +1431,7 @@ menu "Crypto"
 	source "package/trousers/Config.in"
 	source "package/ustream-ssl/Config.in"
 	source "package/wolfssl/Config.in"
+	source "package/wolftpm/Config.in"
 endmenu
 
 menu "Database"
diff --git a/package/wolftpm/Config.in b/package/wolftpm/Config.in
new file mode 100644
index 0000000000..23932a4170
--- /dev/null
+++ b/package/wolftpm/Config.in
@@ -0,0 +1,15 @@
+config BR2_PACKAGE_WOLFTPM
+	bool "wolftpm"
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	select on BR2_PACKAGE_WOLFSSL
+	select on BR2_PACKAGE_WOLFSSL_ALL
+	help
+	  wolfTPM is a portable, open-source TPM 2.0 stack with
+	  backward API compatibility, designed for embedded use.
+	  No external dependencies, compact code size with low
+	  resource usage.
+
+	  https://www.wolfssl.com/
+
+comment "wolftpm needs a toolchain w/ threads"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/wolftpm/wolftpm.hash b/package/wolftpm/wolftpm.hash
new file mode 100644
index 0000000000..6dbf143ffe
--- /dev/null
+++ b/package/wolftpm/wolftpm.hash
@@ -0,0 +1,2 @@
+# Hash from https://github.com/wolfSSL/wolfTPM/archive/refs/tags/v2.3.1.tar.gz
+sha256  f0d7c095491ac2cc9e44aa4ac3c22febf15942ef080431d8b43a9d0312ca6567  wolftpm-2.3.1.tar.gz
diff --git a/package/wolftpm/wolftpm.mk b/package/wolftpm/wolftpm.mk
new file mode 100644
index 0000000000..1e1ddc13e3
--- /dev/null
+++ b/package/wolftpm/wolftpm.mk
@@ -0,0 +1,29 @@
+################################################################################
+#
+# wolftpm
+#
+################################################################################
+
+WOLFTPM_VERSION = 2.3.1
+WOLFTPM_SITE = $(call github,wolfSSL,wolfTPM,v$(WOLFTPM_VERSION))
+WOLFTPM_INSTALL_STAGING = YES
+WOLFTPM_LICENSE = GPL-2.0+
+WOLFTPM_LICENSE_FILES = LICENSE
+WOLFTPM_CPE_ID_VENDOR = wolfssl
+
+WOLFTPM_DEPENDENCIES = host-pkgconf
+
+# wolfTPM's source code is released without a configure script,
+# therefore we need autoreconf
+WOLFTPM_AUTORECONF = YES
+
+WOLFTPM_CONF_OPTS = --disable-examples --enable-devtpm
+
+define WOLFTPM_CONFIG_RPATH
+    mkdir $(@D)/build-aux
+    touch $(@D)/build-aux/config.rpath
+endef
+# Fix for autoconf bug with config.rconf
+WOLFTPM_PRE_CONFIGURE_HOOKS += WOLFTPM_CONFIG_RPATH
+
+$(eval $(autotools-package))
-- 
2.27.0

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