Refactor crypto RNG; add getrandom() support

[tinc] / src / meson.build

diff --git a/src/meson.build b/src/meson.build
index 43f70bf..d96dd71 100644 (file)
--- a/src/meson.build
+++ b/src/meson.build
@@ -11,11 +11,23 @@ cdata.set_quoted('SBINDIR', dir_sbin)
 
 cdata.set('HAVE_' + os_name.to_upper(), 1)
 
-foreach attr : ['malloc', 'nonnull', 'warn_unused_result']
-  cc.has_function_attribute(attr)
+foreach attr : ['malloc', 'nonnull', 'warn_unused_result', 'packed', 'format']
+  if cc.has_function_attribute(attr)
+    cdata.set('HAVE_ATTR_' + attr.to_upper(), 1,
+              description: '__attribute__((__@0@__))'.format(attr))
+  endif
 endforeach
 
+if cc.compiles('''
+    _Static_assert(1, "ok");
+    int main(void) { return 0; }
+''')
+  cdata.set('HAVE_STATIC_ASSERT', 1,
+            description: 'C11 _Static_assert()')
+endif
+
 check_headers = [
+  'alloca.h',
   'arpa/inet.h',
   'arpa/nameser.h',
   'dirent.h',
@@ -48,7 +60,9 @@ check_headers = [
   'sys/types.h',
   'sys/wait.h',
   'syslog.h',
+  'string.h',
   'termios.h',
+  'unistd.h',
 ]
 
 # 'struct msghdr' misses some required fields
@@ -92,6 +106,7 @@ src_lib_common = [
   'dropin.c',
   'keys.c',
   'list.c',
+  'logger.c',
   'names.c',
   'netutl.c',
   'script.c',
@@ -101,7 +116,6 @@ src_lib_common = [
   'utils.c',
   'version.c',
   'xoshiro.c',
-  'logger.c',
 ]
 
 src_tinc = [
@@ -149,6 +163,10 @@ deps_common = []
 deps_tinc = []
 deps_tincd = [cc.find_library('m', required: false)]
 
+if os_name != 'windows'
+  src_lib_common += 'random.c'
+endif
+
 if os_name in ['linux', 'android']
   subdir('linux')
 elif os_name.endswith('bsd') or os_name in ['dragonfly', 'darwin']
@@ -156,7 +174,7 @@ elif os_name.endswith('bsd') or os_name in ['dragonfly', 'darwin']
 elif os_name == 'sunos'
   subdir('solaris')
 elif os_name == 'windows'
-  subdir('mingw')
+  subdir('windows')
 endif
 
 foreach h : check_headers
@@ -202,8 +220,10 @@ foreach type : check_types
   endif
 endforeach
 
+src_getopt = []
 if not cdata.has('HAVE_GETOPT_H') or not cc.has_function('getopt_long', prefix: have_prefix, args: cc_defs)
-  src_lib_common += ['getopt.c', 'getopt1.c']
+  src_getopt = ['getopt.c', 'getopt1.c']
+  src_lib_common += src_getopt
 endif
 
 if not opt_miniupnpc.disabled()
@@ -225,9 +245,7 @@ if not opt_miniupnpc.disabled()
   endif
 endif
 
-if opt_curses.auto() and os_name == 'windows'
-  message('curses does not link under MinGW')
-else
+if not opt_curses.disabled()
   # The meta-dependency covers more alternatives, but is only available in 0.54+
   curses_name = meson_version.version_compare('>=0.54') ? 'curses' : 'ncurses'
   dep_curses = dependency(curses_name, required: opt_curses, static: static)
@@ -239,7 +257,7 @@ endif
 
 # Some distributions do not supply pkg-config files for readline
 if opt_readline.auto() and os_name == 'windows'
-  message('readline does not link under MinGW')
+  message('readline not available on Windows')
 else
   dep_readline = dependency('readline', required: opt_readline, static: static)
   if not dep_readline.found()
@@ -316,6 +334,10 @@ endif
 
 subdir(opt_crypto)
 
+if opt_crypto != 'openssl'
+  src_lib_crypto += 'crypto.c'
+endif
+
 if opt_crypto != 'nolegacy'
   src_lib_crypto += ['cipher.c', 'digest.c']
 endif
@@ -391,7 +413,7 @@ exe_tincd = executable(
 
 exe_sptps_test = executable(
   'sptps_test',
-  sources: 'sptps_test.c',
+  sources: [src_getopt, 'sptps_test.c'],
   dependencies: deps_lib_common,
   link_with: lib_common,
   implicit_include_directories: false,
@@ -401,7 +423,7 @@ exe_sptps_test = executable(
 
 exe_sptps_keypair = executable(
   'sptps_keypair',
-  sources: 'sptps_keypair.c',
+  sources: [src_getopt, 'sptps_keypair.c'],
   dependencies: deps_lib_common,
   link_with: lib_common,
   implicit_include_directories: false,