Add new package: fastdb (#18308)

var/spack/repos/builtin/packages/fastdb/fastdb-fmax-fmin.patch

@@ -0,0 +1,26 @@
+diff --git a/examples/testtimeseries.cpp b/examples/testtimeseries.cpp
+index 1f57bac..e3ed88e 100644
+--- a/examples/testtimeseries.cpp
++++ b/examples/testtimeseries.cpp
+@@ -47,8 +47,8 @@ REGISTER_TEMPLATE(DailyBlock);
+ REGISTER(Stock);
+ 
+ inline int random(unsigned mod) { return rand() % mod; }
+-inline float fmax(float x, float y) { return x > y ? x : y; }
+-inline float fmin(float x, float y) { return x < y ? x : y; }
++inline float my_fmax(float x, float y) { return x > y ? x : y; }
++inline float my_fmin(float x, float y) { return x < y ? x : y; }
+ 
+ int main(int argc, char* argv[])
+ {
+@@ -66,8 +66,8 @@ int main(int argc, char* argv[])
+             quote.timestamp = i;
+             quote.open = (float)random(10000)/100;
+             quote.close = (float)random(10000)/100;
+-            quote.high = fmax(quote.open, quote.close);
+-            quote.low = fmin(quote.open, quote.close);
++            quote.high = my_fmax(quote.open, quote.close);
++            quote.low = my_fmin(quote.open, quote.close);
+             quote.volume = random(1000);
+             proc.add(stockId, quote); // add new element in time series
+         }

var/spack/repos/builtin/packages/fastdb/package.py

@@ -0,0 +1,22 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Fastdb(MakefilePackage):
+    """Object-Relational Main-Memory Embedded Database system
+       tightly integrated with C++ language."""
+
+    homepage = "https://sourceforge.net/projects/fastdb/"
+    url      = "https://sourceforge.net/projects/fastdb/files/fastdb/3.75/fastdb-3.75.tar.gz"
+
+    version('3.75', sha256='eeafdb2ad01664c29e2d4053a305493bdedc8e91612ab25f1d36ad2f95b0dad6')
+    version('3.74', sha256='4d0c9a165a1031860d4853d7084b8fe4627f0004861e6070927d3b6c594af889')
+
+    patch('fastdb-fmax-fmin.patch')
+
+    def install(self, spec, prefix):
+        make('PREFIX=%s' % prefix, 'install')