meson.build: Fix broken check for atomic support. This broke on risc64. The...

meson.build: Fix broken check for atomic support. This broke on risc64. The removed lines are redundant with their subsequent two because they verify the actual code, and not implementation details that may vary...
meson.build: Bumped version metadata to 0.0.003 and set soname major version to 1 in preparation for ABI freeze and upcoming first stable release...

meson.build

@@ -5,7 +5,7 @@
 project(
 	'pistache',
 	'cpp',
-	version: '0.0.002',
+	version: '0.0.003', # TODO: This should be assigned dynamically from version.txt
 	license: 'Apache-2.0',
 	default_options: [
 		'cpp_std=c++17',
@@ -59,7 +59,6 @@ int main() {
 has_working_cxx_atomics = compiler.links(cxx_atomics_check_code, name: 'std::atomic')
 if (compiler_id == 'clang' or compiler_id == 'gcc') and not has_working_cxx_atomics
 	libatomic_dep = compiler.find_library('atomic')
-	assert(compiler.has_function('__atomic_fetch_add_4', dependencies: libatomic_dep), 'Host compiler appears to require libatomic, but cannot find it.')
 	has_working_cxx_atomics = compiler.links(cxx_atomics_check_code, dependencies: libatomic_dep, name: 'std::atomic with libatomic')
 	assert(has_working_cxx_atomics, 'Host compiler must support std::atomic')
 	deps_libpistache += libatomic_dep
@@ -78,7 +77,6 @@ int main() {
 has_working_cxx_atomics64 = compiler.links(cxx_atomics64_check_code, name: 'std::atomic<uint64_t>')
 if (compiler_id == 'clang' or compiler_id == 'gcc') and not has_working_cxx_atomics64
 	libatomic_dep = compiler.find_library('atomic')
-	assert(compiler.has_function('__atomic_load_8', dependencies: libatomic_dep), 'Host compiler appears to require libatomic for 64-bit operations, but cannot find it.')
 	has_working_cxx_atomics = compiler.links(cxx_atomics64_check_code, dependencies: libatomic_dep, name: 'std::atomic<uint64_t> with libatomic')
 	assert(has_working_cxx_atomics, 'Host compiler must support 64-bit std::atomic')
 	deps_libpistache += libatomic_dep

version.txt

 VERSION_MAJOR           0
 VERSION_MINOR           0
-VERSION_PATCH           002
-VERSION_GIT_DATE        20211002
+VERSION_PATCH           003
+VERSION_GIT_DATE        20211020
 
-SONAME_VERSION_MAJOR    0
+SONAME_VERSION_MAJOR    1
 SONAME_VERSION_MINOR    0