gflags for 2023. No changes since 2018, so just toolchain bump

Golden_Repo/g/gflags/gflags-2.2.2-GCCcore-11.3.0.eb

+easyblock = 'CMakeMake'
+
+name = 'gflags'
+version = '2.2.2'
+
+homepage = 'https://gflags.github.io/gflags'
+description = """
+The gflags package contains a C++ library that implements commandline flags
+processing.  It includes built-in support for standard types such as string
+and the ability to define flags in the source file in which they are used.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://github.com/gflags/gflags/archive/']
+sources = ['v%(version)s.tar.gz']
+checksums = ['34af2f15cf7367513b352bdcd2493ab14ce43692d2dcd9dfc499492966c64dcf']
+
+builddependencies = [
+    ('binutils', '2.38'),
+    ('CMake', '3.23.1'),
+]
+
+configopts = '-DBUILD_SHARED_LIBS=on -DBUILD_STATIC_LIBS=on'
+
+sanity_check_paths = {
+    'files': ['bin/gflags_completions.sh'] +
+             ['lib/%s' % x for x in ['libgflags.%s' % SHLIB_EXT, 'libgflags_nothreads.%s' % SHLIB_EXT,
+                                     'libgflags.a', 'libgflags_nothreads.a']] +
+             ['include/gflags/gflags_completions.h'],
+    'dirs': [],
+}
+
+moduleclass = 'devel'