move to meson and ninja: build of lib and binary

meson.build

@@ -0,0 +1,117 @@
+# -*-python-*-
+
+project(
+        'pcp',
+        'c',
+        license: 'GPL',
+        version: '0.4.0',
+        meson_version: '>=1.3',
+        default_options: [
+                'warning_level=2',
+                'werror=true',
+        ],
+)
+
+add_project_arguments(
+        [
+                '-Wno-unused-parameter',
+                '-Wno-unused-result',
+                '-Wno-missing-braces',
+                '-Wno-format-zero-length',
+                '-Wno-implicit-fallthrough',
+                #'-Wvla',
+                '-Wno-sign-compare',
+                '-Wno-narrowing'
+        ],
+        language: 'c',
+)
+
+
+c = meson.get_compiler('c')
+conf = configuration_data()
+pcp_inc = include_directories('src', 'libpcp')
+
+
+if host_machine.system().startswith('freebsd')
+  pcp_inc = include_directories('.', '/usr/local/include')
+  add_project_link_arguments('LDFLAGS=/usr/local/lib')
+endif
+
+
+
+# check for funcs.
+foreach func : ['getopt', 'fdopen', 'fgetc', 'getenv', 'getpass', 'arc4random', 'fopen', 'fread', 'fwrite', 'ftruncate', 'fprintf', 'isatty', 'malloc', 'memset', 'memcpy', 'perror', 'posix_memalign', 'setrlimit', 'strnlen', 'strlen', 'strtol', 'tcgetattr', 'umask', 'towlower', 'getopt', 'getopt_long', 'vasprintf',]
+    conf.set('HAVE_'+func.to_upper(),
+             c.has_function(
+                 func,
+                 prefix : '#include <unistd.h>\n#include <stdio.h>\n#include <stdlib.h>\n#include <sys/resource.h>\n#include <string.h>\n#include <sys/stat.h>\n#include <termios.h>\n#include <wctype.h>\n#include <getopt.h>',
+             )
+    )
+endforeach
+
+if host_machine.system().startswith('freebsd')
+   conf.set('HAVE_STRNSTR',
+            c.has_function(
+                'strnstr',
+                prefix: '#include <string.h>'
+            ))
+else
+   bsd = c.find_library('bsd')
+   conf.set('HAVE_STRNSTR',
+            c.has_function(
+                'strnstr',
+                prefix: '#include <bsd/string.h>',
+                dependencies: bsd,
+            ))
+   add_project_dependencies(bsd, language: 'c')
+endif
+
+
+# check commandline options
+prefix = get_option('prefix')
+
+if get_option('buildtype') == 'debug'
+    conf.set('DEBUG', '1')
+endif
+
+
+
+# setup conf map
+version = '@0@'.format(meson.project_version())
+
+conf.set('prefix', prefix)
+conf.set('VERSION', version)
+
+subdir('libpcp')
+
+
+
+
+# code
+pcp_sources = files(
+    'src/compat_getopt.c',
+    'src/encryption.c',
+    'src/keymgmt.c',
+    'src/keyprint.c',
+    'src/pcp.c',
+    'src/signature.c',
+    'src/z85util.c'
+)
+
+
+executable(
+        'pcp',
+        [pcp_sources],
+        include_directories: [pcp_inc],
+        dependencies: [libpcp_dep, jansson],
+        install: true
+)
+
+# build manual page
+pod2man = find_program('pod2man', native: true)
+if pod2man.found()
+  res = run_command(pod2man.full_path(), 'man/pcp.pod', 'pcp.1', check:true)
+  if res.returncode() == 0
+    install_man('pcp.1')
+  endif
+endif