Adjusted meson config for android compatibility

1 files changed, 76 insertions, 59 deletions

diff --git a/meson.build b/meson.build
index 7f2adef..bcef245 100644
--- a/meson.build
+++ b/meson.build
@@ -1,78 +1,95 @@
-project(
-  'bindfs',
-  'c',
-  version: '0.0.0',
-  default_options: ['warning_level=2', 'c_std=gnu11']
+project('bindfs', 'c',
+  version: '1.18.2',
+  default_options: [
+    'c_std=gnu11',          # wie configure.ac für FUSE3
+    'warning_level=2'
+  ]
 )
 
+# --- config.h erzeugen (Ersatz für AC_CONFIG_HEADERS + Checks) ---
 cc = meson.get_compiler('c')
+conf = configuration_data()
+
+# Entspricht PACKAGE_STRING aus configure.ac
+conf.set('PACKAGE_STRING', '"@0@ @1@"'.format(meson.project_name(), meson.project_version()))
 
-# ---- Abhängigkeiten ----
-# Bevorzuge FUSE2 (alte API), falle auf FUSE3 zurück.
-fuse_dep = dependency('fuse', required: false)  # pkg-config: fuse (FUSE2)
-if fuse_dep.found()
-  add_project_arguments('-DFUSE_USE_VERSION=26', language: 'c')  # FUSE2 API
-else
-  fuse_dep = dependency('fuse3', required: true)
-  add_project_arguments('-DFUSE_USE_VERSION=30', language: 'c')  # FUSE3 API
-  add_project_arguments('-DBINDFS_USE_FUSE3', language: 'c')
+# Header-/Funktions-Checks wie in configure.ac
+if cc.has_header('sys/file.h')
+  conf.set('HAVE_SYS_FILE_H', 1)
 endif
 
-threads_dep = dependency('threads', required: true)
-dl_dep      = cc.find_library('dl', required: true)
-rt_dep      = cc.find_library('rt', required: false)
-iconv_dep   = dependency('iconv', required: false)
+# utimensat / lutimes / futimesat
+if cc.has_function('utimensat', prefix: '''
+  #include <fcntl.h>
+  #include <sys/stat.h>
+  #include <sys/types.h>
+  #include <unistd.h>
+''')
+  conf.set('HAVE_UTIMENSAT', 1)
+endif
 
-deps = [fuse_dep, threads_dep, dl_dep]
-if rt_dep.found()
-  deps += rt_dep
+if cc.has_function('lutimes', prefix: '#include <sys/time.h>')
+  conf.set('HAVE_LUTIMES', 1)
 endif
-if iconv_dep.found()
-  deps += iconv_dep
+
+if cc.has_function('futimesat', prefix: '''
+  #include <sys/time.h>
+  #include <fcntl.h>
+''')
+  conf.set('HAVE_FUTIMESAT', 1)
 endif
 
-# ---- Allgemeine Compiler-Flags ----
-# GNU-Extensions (pipe2 etc.) & große Offsets.
-add_project_arguments(
-  '-D_GNU_SOURCE',
-  '-D_FILE_OFFSET_BITS=64',
-  # S_ISDIR etc.: stellt sicher, dass <sys/stat.h> überall drin ist
-  '-include', 'sys/stat.h',
-  language: 'c'
-)
+# xattr-Funktionen
+foreach f : ['setxattr','getxattr','listxattr','removexattr',
+             'lsetxattr','lgetxattr','llistxattr','lremovexattr']
+  if cc.has_function(f, prefix: '#include <sys/xattr.h>')
+    conf.set('HAVE_@0@'.format(f.to_upper()), 1)
+  endif
+endforeach
+
+# struct stat ... tv_nsec vorhanden?
+have_stat_nsec = cc.compiles('''
+  #include <sys/types.h>
+  #include <sys/stat.h>
+  #include <unistd.h>
+  int main(void){ struct stat st; st.st_mtim.tv_nsec = 123; return 0; }
+''')
+if have_stat_nsec
+  conf.set('HAVE_STAT_NANOSEC', 1)
+endif
 
-# ---- Feature-Checks (ersetzt configure.ac) ----
-# Achtung: passende Includes pro Funktion setzen.
-have_pipe2           = cc.has_function('pipe2',           prefix: '#include <unistd.h>')
-have_posix_spawn     = cc.has_function('posix_spawn',     prefix: '#include <spawn.h>')
-have_copy_file_range = cc.has_function('copy_file_range', prefix: '#include <unistd.h>')
+# config.h in der Build-Root erzeugen
+configure_file(output: 'config.h', configuration: conf)
 
-# Utimens-Varianten – bindfs.c entscheidet anhand dieser Makros:
-have_utimensat  = cc.has_function('utimensat',  prefix: '#define _GNU_SOURCE\n#include <sys/stat.h>\n#include <fcntl.h>')
-have_lutimes    = cc.has_function('lutimes',    prefix: '#include <sys/time.h>')
-have_futimesat  = cc.has_function('futimesat',  prefix: '#include <sys/time.h>\n#include <fcntl.h>\n#include <unistd.h>')
+# Dependencies
+fuse3_dep = dependency('fuse3', version: '>=3.4.0', required: true)
+#threads   = dependency('threads')
+dl_dep    = cc.find_library('dl', required: true)
+iconv_dep = dependency('iconv', required: false)  # Android: yes; Linux: ja nach System
 
-conf = configuration_data()
-conf.set('HAVE_PIPE2',            have_pipe2)
-conf.set('HAVE_POSIX_SPAWN',      have_posix_spawn)
-conf.set('HAVE_COPY_FILE_RANGE',  have_copy_file_range)
+# Entspricht my_CPPFLAGS in configure.ac
+add_project_arguments(
+  [
+    '-D_REENTRANT',
+    '-D_FILE_OFFSET_BITS=64',
+    '-D_XOPEN_SOURCE=700',
+    '-D__BSD_VISIBLE=1',
+    '-D_BSD_SOURCE',
+    '-D_DEFAULT_SOURCE',
+    # Autotools bei FUSE3:
+    '-DHAVE_FUSE_3=1',
+    '-DFUSE_USE_VERSION=34',  # genau wie CHECK_FUSE3 in configure.ac
+  ],
+  language: 'c'
+)
 
-# Diese drei sind wichtig, damit der #error in bindfs_utimens nicht triggert:
-conf.set('HAVE_UTIMENSAT',  have_utimensat)
-conf.set('HAVE_LUTIMES',    have_lutimes)
-conf.set('HAVE_FUTIMESAT',  have_futimesat)
+add_project_arguments(['-include', 'sys/stat.h'], language: 'c') # required for S_ISDIR
 
-# Autotools-kompatible Makros, die der Code nutzt
-conf.set_quoted('PACKAGE_NAME',    meson.project_name())
-conf.set_quoted('PACKAGE_VERSION', meson.project_version())
-conf.set_quoted('PACKAGE_STRING',  meson.project_name() + ' ' + meson.project_version())
+# Entspricht my_CFLAGS / my_LDFLAGS
+add_project_arguments(['-Wall','-Wextra','-Wpedantic','-fno-common'], language: 'c')
 
-# Exakt "config.h" erzeugen (liegt im Build-Root)
-configure_file(output: 'config.h', configuration: conf)
+add_project_arguments(['-pthread'], language: 'c')
+add_project_link_arguments(['-pthread'], language: 'c')
 
-# ---- Unterverzeichnisse ----
 subdir('src')
 
-# ---- Manpage installieren ----
-install_data('src/bindfs.1', install_dir: get_option('mandir') / 'man1')
-