added meson build

bootstrap.sh

@@ -0,0 +1,18 @@
+#! /usr/bin/env bash
+
+export PKG_CONFIG_PATH="/usr/lib/pkgconfig/;/lib/pkgconfig/;/usr/share/pkgconfig/"
+
+# Delete existing buildfiles
+#---------------------------------------------------
+rm -rf build
+
+
+# Call meson
+#---------------------------------------------------
+meson setup build -Dprefix="/usr"
+
+
+# Build nix
+#---------------------------------------------------
+cd build
+ninja

dependencies/archive/meson.build

@@ -0,0 +1,7 @@
+# LibArchive Dependency File
+#============================================================================
+
+
+# Look for libarchive, a required dependency
+#--------------------------------------------------
+libarchive_dep = cpp.find_library('archive')

dependencies/aws-sdk-cpp/meson.build

@@ -0,0 +1,82 @@
+# aws s3 Dependency File
+#============================================================================
+
+#--------------------------------------------------
+# FIXME: aws-cpp-sdk should be an optional dependency Unfortunately, importing
+# it using the pkg-config option, which could be optional, fails because of
+# the cflags in the pkg-config. They contain "-fno-exceptions -std=c++11",
+# both of which break existing Nix code.
+#--------------------------------------------------
+
+# Look for aws-cpp-sdk
+#--------------------------------------------------
+aws_sdk_cpp_core_dep = declare_dependency(
+    dependencies : cpp.find_library('aws-cpp-sdk-core',
+        dirs : get_option('aws_sdk_cpp_lib_dir')),
+    include_directories : include_directories(
+        get_option('aws_sdk_cpp_include_dir')))
+
+aws_sdk_cpp_s3_dep = declare_dependency(
+    dependencies : cpp.find_library('aws-cpp-sdk-s3',
+        dirs : get_option('aws_sdk_cpp_lib_dir')),
+    include_directories : include_directories(
+        get_option('aws_sdk_cpp_include_dir')))
+
+aws_sdk_cpp_transfer_dep = declare_dependency(
+    dependencies : cpp.find_library('aws-cpp-sdk-transfer',
+        dirs : get_option('aws_sdk_cpp_lib_dir')),
+    include_directories : include_directories(
+        get_option('aws_sdk_cpp_include_dir')))
+
+
+aws_sdk_cpp_dep = [
+    aws_sdk_cpp_core_dep,
+    aws_sdk_cpp_s3_dep,
+    aws_sdk_cpp_transfer_dep,
+]
+
+# check if dependencies are found
+#--------------------------------------------------
+have_aws_sdk_cpp = true
+foreach dep : aws_sdk_cpp_dep
+    if not dep.found()
+        have_aws_sdk_cpp = false
+    endif
+endforeach
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'ENABLE_S3',
+    have_aws_sdk_cpp.to_int(),
+    description : 'Whether to enable S3 support via aws-sdk-cpp.')
+
+if have_aws_sdk_cpp
+    check_s3client = cpp.check_header(
+        'aws/s3/S3Client.h',
+        dependencies: aws_sdk_cpp_dep)
+
+    if check_s3client
+        config_h.set(
+            'HAVE_AWS_S3_S3CLIENT_H', 1,
+            description : 'Whether to enable S3 support via aws-sdk-cpp.')
+    endif
+
+    aws_version = meson.get_compiler('cpp').get_define(
+        'AWS_SDK_VERSION_STRING',
+        prefix : '#include <aws/core/VersionConfig.h>'
+        ).strip('"').split('.')
+
+    config_h.set(
+        'AWS_VERSION_MAJOR', aws_version[0],
+        description : 'Major version of aws-sdk-cpp.')
+
+    config_h.set(
+        'AWS_VERSION_MINOR', aws_version[1],
+        description : 'Minor version of aws-sdk-cpp.')
+    config_h.set(
+        'AWS_VERSION_PATCH', aws_version[2],
+        description : 'Patch version of aws-sdk-cpp.')
+
+endif

dependencies/bdw-gc/meson.build

@@ -0,0 +1,13 @@
+# Boehm-gc Dependency File
+#============================================================================
+
+
+# Look for Boehm garbage collector, an optional dependency
+#--------------------------------------------------
+gc_dep = dependency('bdw-gc', required: get_option('gc'))
+
+
+config_h.set(
+    'HAVE_BOEHMGC',
+    gc_dep.found().to_int(),
+    description : 'Whether to use the Boehm garbage collector.')

dependencies/boost/meson.build

@@ -0,0 +1,22 @@
+# Boost Dependency File
+#============================================================================
+
+
+# Look for boost, a required dependency
+#----------------------------------------------------
+boost_mod_list = [
+  'system',
+  'context',
+  'thread']
+
+
+boost_dep = dependency(
+  'boost',
+  modules: boost_mod_list)
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_BOOST', 1,
+    description : 'Define if the Boost library is available.')

dependencies/brotli/meson.build

@@ -0,0 +1,17 @@
+# LibBrotli Dependency File
+#============================================================================
+
+
+# Look for libbrotli{enc,dec}, a required dependency
+#--------------------------------------------------
+libbrotli_dep = declare_dependency(
+    dependencies: [
+        dependency('libbrotlienc'),
+        dependency('libbrotlidec')])
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_BROTLI', 1,
+    description : 'Define if the brotli library is available.')

dependencies/cpuid/meson.build

@@ -0,0 +1,13 @@
+# cpuid Dependency File
+#============================================================================
+
+
+# Look for cpuid, a required dependency
+#--------------------------------------------------
+libcpuid_dep = dependency('libcpuid')
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_LIBCPUID', 1,
+    description : 'Define if the CPUID is available.')

dependencies/curl/meson.build

@@ -0,0 +1,14 @@
+# LibCurl Dependency File
+#============================================================================
+
+
+# Look for libcurl, a required dependency
+#--------------------------------------------------
+libcurl_dep = dependency('libcurl')
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_CURL', 1,
+    description : 'Define if the curl library is available.')

dependencies/dl/meson.build

@@ -0,0 +1,7 @@
+# libdl Dependency File
+#============================================================================
+
+
+# Look for libdl, a required dependency
+#--------------------------------------------------
+libdl_dep = cpp.find_library('dl')

dependencies/editline/meson.build

@@ -0,0 +1,35 @@
+# Editline Dependency File
+#============================================================================
+
+
+# Look for editline, a required dependency
+#--------------------------------------------------
+# NOTE: The the libeditline.pc file was added only in libeditline >= 1.15.2, see 
+# https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607,
+# but e.g. Ubuntu 16.04 has an older version, so we fall back to searching for
+# editline.h when the pkg-config approach fails.
+
+editline_dep = cpp.find_library('editline')
+
+if not (
+    cpp.has_header(
+        'editline.h',
+        dependencies : editline_dep))
+    error('Nix requires editline.h; however the header was not found.')
+endif
+
+
+if not (
+    cpp.has_function(
+        'read_history',
+        prefix : '#include <stdio.h>\n#include "editline.h"',
+        dependencies : editline_dep))
+    error('Nix requires libeditline; However, required functions do not work.' +\
+        'Maybe libeditline version is too old? >= 1.14 is required.')
+endif
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_EDITLINE_H', 1,
+    description : 'Define to 1 if you have the <editline.h> header file.')

dependencies/functions/meson.build

@@ -0,0 +1,40 @@
+# nix check functions
+#============================================================================
+
+
+# check for required functions
+#--------------------------------------------------
+required_functions = [
+    'lutimes',
+    'lchown',
+    'pipe2',
+    'posix_fallocate',
+    'setresuid',
+    'setreuid',
+    'statvfs',
+    'strsignal',
+    'sysconf']
+
+foreach f : required_functions
+    if cpp.has_function(f)
+        config_h.set(
+            'HAVE_@0@'.format(f.to_upper()), 1,
+            description : 'Define to 1 if you have the `@0@` function.'.format(f))
+    endif
+endforeach
+
+
+# compiler check for pubsetbuff
+#--------------------------------------------------
+pubsetbuff_c = '''
+#include <iostream>
+using namespace std;
+static char buf[1024];
+void func() {
+cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));
+}'''
+
+check_pubsetbuff = meson.get_compiler('cpp').compiles(pubsetbuff_c, name : 'pubsetbuf')
+config_h.set(
+    'HAVE_PUBSETBUF', check_pubsetbuff.to_int(),
+    description : 'Define to 1 if you have the `pubsetbuf` function.')

dependencies/gtest/meson.build

@@ -0,0 +1,24 @@
+# gtest Dependency File
+#========================================================================
+
+
+# check if gtest is already installed
+#---------------------------------------------------
+gtest_dep = dependency(
+    'gtest',
+    main : true,
+    required : false)
+
+gmock_dep = dependency(
+    'gmock',
+    main : true,
+    required : false)
+
+
+# If not, include the submodule
+#---------------------------------------------------
+if not gtest_dep.found()
+    gtest_proj = subproject('gtest')
+    gtest_dep = gtest_proj.get_variable('gtest_main_dep')
+    gmock_dep = gtest_proj.get_variable('gmock_dep')
+endif

dependencies/headers/meson.build

@@ -0,0 +1,45 @@
+# nix check headers
+#============================================================================
+
+# check for various headers
+#--------------------------------------------------
+project_header_deps = [
+    'sys/stat.h',
+    'sys/types.h',
+    'sys/dir.h',
+    'sys/ndir.h',
+    'dirent.h',
+    'locale.h',
+    'unistd.h',
+    'stdint.h',
+    'stdlib.h',
+    'strings.h',
+    'string.h',
+    'inttypes.h',
+    'memory.h']
+
+foreach f : project_header_deps
+  if cpp.has_header(f)
+    config_h.set(
+        'HAVE_@0@'.format(f.to_upper().underscorify()), 1,
+        description : 'Define to 1 if you have the `<@0@>` header file..'.format(f))
+  endif
+endforeach
+
+
+# TODO: this was carried over from the autotools buildsystem,
+# but i think it may no longer be needed.
+
+# compiler check for dirent.h
+#--------------------------------------------------
+dirent_h_prefix = '''
+  #include <sys/types.h>
+  #include <dirent.h>
+'''
+
+check_struct_dirent = meson.get_compiler('cpp').has_member(
+    'struct dirent', 'd_type', prefix: dirent_h_prefix)
+
+if ((config_h.get('HAVE_DIRENT_H') == 1) and (check_struct_dirent))
+  config_h.set('HAVE_STRUCT_DIRENT_D_TYPE', 1)
+endif

dependencies/libgit2/meson.build

@@ -0,0 +1,11 @@
+# libgit2 Dependency File
+#============================================================================
+
+
+# FIXME !! lowdown is seemingly a required dependency for building, but 
+# it isn't listed anywhere on documentation that i could find. dependency
+# object needs to be added to meson.
+
+# Look for lowdown, a required dependency
+#--------------------------------------------------
+libgit_dep = dependency('libgit2')

dependencies/lowdown/meson.build

@@ -0,0 +1,11 @@
+# lowdown Dependency File
+#============================================================================
+
+
+# FIXME !! lowdown is seemingly a required dependency for building, but 
+# it isn't listed anywhere on documentation that i could find. dependency
+# object needs to be added to meson.
+
+# Look for lowdown, a required dependency
+#--------------------------------------------------
+liblowdown_dep = dependency('lowdown')