[Buildroot] [PATCH v8 08/10] package/fft2d: new package

[James Hilliard <james.hilliard1@gmail.com>]

From: Stefan Hager <stefan.hager@ginzinger.com>

This package is required by tensorflow-lite.

This package doesn't provide a conventional install mechanism so
we need to install it manually.

Tested-by: Stefan Hager <stefan.hager@ginzinger.com>
Signed-off-by: Stefan Hager <stefan.hager@ginzinger.com>
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
---
Changes v4 -> v5:
  - add comment indicating library is header/source only
Changes v3 -> v4:
  - fix license
---
 DEVELOPERS               |  1 +
 package/Config.in        |  1 +
 package/fft2d/Config.in  |  7 +++++++
 package/fft2d/fft2d.hash |  4 ++++
 package/fft2d/fft2d.mk   | 23 +++++++++++++++++++++++
 5 files changed, 36 insertions(+)
 create mode 100644 package/fft2d/Config.in
 create mode 100644 package/fft2d/fft2d.hash
 create mode 100644 package/fft2d/fft2d.mk

diff --git a/DEVELOPERS b/DEVELOPERS
index 2be4990676..5182df571c 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -3035,6 +3035,7 @@ F:	package/ti-gfx/
 N:	Stefan Hager <stefan.hager@ginzinger.com>
 F:	package/cpuinfo/
 F:	package/fp16/
+F:	package/fft2d/
 F:	package/gemmlowp/
 F:	package/psimd/
 F:	package/pthreadpool/
diff --git a/package/Config.in b/package/Config.in
index 74cd3e9815..0f35409720 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -2183,6 +2183,7 @@ menu "Other"
 	source "package/elfutils/Config.in"
 	source "package/ell/Config.in"
 	source "package/falcosecurity-libs/Config.in"
+	source "package/fft2d/Config.in"
 	source "package/fftw/Config.in"
 	source "package/flann/Config.in"
 	source "package/flatbuffers/Config.in"
diff --git a/package/fft2d/Config.in b/package/fft2d/Config.in
new file mode 100644
index 0000000000..38394f6170
--- /dev/null
+++ b/package/fft2d/Config.in
@@ -0,0 +1,7 @@
+config BR2_PACKAGE_FFT2D
+	bool "fft2d"
+	help
+	  This is a package to calculate Discrete Fourier/Cosine/Sine
+	  Transforms of 2,3-dimensional sequences of length 2^N.
+
+	  http://www.kurims.kyoto-u.ac.jp/~ooura/fft.html
diff --git a/package/fft2d/fft2d.hash b/package/fft2d/fft2d.hash
new file mode 100644
index 0000000000..a1b1a326ae
--- /dev/null
+++ b/package/fft2d/fft2d.hash
@@ -0,0 +1,4 @@
+# Locally calculated
+sha256  ada7e99087c4ed477bfdf11413f2ba8db8a840ba9bbf8ac94f4f3972e2a7cec9  fft2d.tgz
+# License files, locally calculated
+sha256  0b2a2082537735a2a576dbec2e8f9c1a09812eac6df6a389502a6ba860072906  readme2d.txt
diff --git a/package/fft2d/fft2d.mk b/package/fft2d/fft2d.mk
new file mode 100644
index 0000000000..781b545e2e
--- /dev/null
+++ b/package/fft2d/fft2d.mk
@@ -0,0 +1,23 @@
+################################################################################
+#
+# fft2d
+#
+################################################################################
+
+FFT2D_VERSION = 2006.12.28
+FFT2D_SITE = https://www.kurims.kyoto-u.ac.jp/~ooura
+FFT2D_SOURCE = fft2d.tgz
+FFT2D_LICENSE = MIT-like
+FFT2D_LICENSE_FILES = readme2d.txt
+FFT2D_INSTALL_STAGING = YES
+# Only installs headers/sources
+FFT2D_INSTALL_TARGET = NO
+
+define FFT2D_INSTALL_STAGING_CMDS
+	mkdir -p $(STAGING_DIR)/usr/include/fft2d
+	$(INSTALL) -m 0644 $(@D)/*.c $(STAGING_DIR)/usr/include/fft2d
+	$(INSTALL) -m 0644 $(@D)/*.f $(STAGING_DIR)/usr/include/fft2d
+	$(INSTALL) -m 0644 $(@D)/*.h $(STAGING_DIR)/usr/include/fft2d
+endef
+
+$(eval $(generic-package))
-- 
2.34.1

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