Add enable_lz4 build option and fix lzma dependency

contrib/meson/meson.build

@@ -50,6 +50,7 @@ enable_contrib = get_option('build_contrib')
 enable_multithread = get_option('multithread_support')
 enable_zlib = get_option('zlib_support')
 enable_lzma = get_option('lzma_support')
+enable_lz4 = get_option('lz4_support')
 
 # =============================================================================
 # Helper scripts for Meson
@@ -78,7 +79,8 @@ endif
 libm_dep = cc.find_library('m', required: true)
 thread_dep = dependency('threads', required: false)
 zlib_dep = dependency('zlib', required: false)
-lzma_dep = dependency('lzma', required: false)
+lzma_dep = dependency('liblzma', required: false)
+lz4_dep = dependency('liblz4', required: false)
 
 # =============================================================================
 # Compiler flags

contrib/meson/meson_options.txt

@@ -24,3 +24,5 @@ option('zlib_support', type: 'boolean', value: false,
     description: 'Enable zlib support')
 option('lzma_support', type: 'boolean', value: false,
     description: 'Enable lzma support')
+option('lz4_support', type: 'boolean', value: false,
+    description: 'Enable lz4 support')

contrib/meson/programs/meson.build

@@ -38,6 +38,11 @@ if enable_lzma and lzma_dep.found()
     zstd_c_args += [ '-DZSTD_LZMACOMPRESS', '-DZSTD_LZMADECOMPRESS' ]
 endif
 
+if enable_lz4 and lz4_dep.found()
+    zstd_deps += [ lz4_dep ]
+    zstd_c_args += [ '-DZSTD_LZ4COMPRESS', '-DZSTD_LZ4DECOMPRESS' ]
+endif
+
 zstd = executable('zstd',
     zstd_programs_sources,
     c_args: zstd_c_args,