Add libffi 3.4.4

This is a rebase of
https://gitlab.freedesktop.org/gstreamer/meson-ports/libffi onto 3.4.4
release.

It has been submitted upstream:
libffi/libffi#746

Author: xclaesse

releases.json

@@ -975,6 +975,14 @@
       "0.6.22-1"
     ]
   },
+  "libffi": {
+    "dependency_names": [
+      "libffi"
+    ],
+    "versions": [
+      "3.4.4-1"
+    ]
+  },
   "libffmpegthumbnailer": {
     "dependency_names": [
       "libffmpegthumbnailer"

subprojects/libffi.wrap

@@ -0,0 +1,9 @@
+[wrap-file]
+directory = libffi-3.4.4
+source_url = https://github.com/libffi/libffi/releases/download/v3.4.4/libffi-3.4.4.tar.gz
+source_filename = libffi-3.4.4.tar.gz
+source_hash = d66c56ad259a82cf2a9dfc408b32bf5da52371500b84745f7fb8b645712df676
+patch_directory = libffi
+
+[provide]
+dependency_names = libffi

subprojects/packagefiles/libffi/doc/meson.build

@@ -0,0 +1,13 @@
+custom_target(
+  input: 'libffi.texi',
+  output: 'libffi.info',
+  depend_files: 'version.texi',
+  command: [find_program('makeinfo'),
+    '-I', meson.current_source_dir(),
+    '-o', '@OUTPUT@',
+    '@INPUT@'
+  ],
+  build_by_default: true,
+  install: true,
+  install_dir: get_option('datadir') / 'info',
+)

subprojects/packagefiles/libffi/fficonfig.h.meson

@@ -0,0 +1,162 @@
+/* fficonfig.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if building universal (internal helper macro) */
+#mesondefine AC_APPLE_UNIVERSAL_BUILD
+
+/* Define to the flags needed for the .section .eh_frame directive. */
+#mesondefine EH_FRAME_FLAGS
+
+/* Define this if you want extra debugging. */
+#mesondefine FFI_DEBUG
+
+/* Define this if you want statically defined trampolines */
+#mesondefine FFI_EXEC_STATIC_TRAMP
+
+/* Cannot use PROT_EXEC on this target, so, we revert to alternative means */
+#mesondefine FFI_EXEC_TRAMPOLINE_TABLE
+
+/* Define this if you want to enable pax emulated trampolines (experimental)
+   */
+#mesondefine FFI_MMAP_EXEC_EMUTRAMP_PAX
+
+/* Cannot use malloc on this target, so, we revert to alternative means */
+#mesondefine FFI_MMAP_EXEC_WRIT
+
+/* Define this if you do not want support for the raw API. */
+#mesondefine FFI_NO_RAW_API
+
+/* Define this if you do not want support for aggregate types. */
+#mesondefine FFI_NO_STRUCTS
+
+/* Define to 1 if you have the <alloca.h> header file. */
+#mesondefine HAVE_ALLOCA_H
+
+/* Define if your assembler supports .cfi_* directives. */
+#mesondefine HAVE_AS_CFI_PSEUDO_OP
+
+/* Define if your assembler supports .register. */
+#mesondefine HAVE_AS_REGISTER_PSEUDO_OP
+
+/* Define if the compiler uses zarch features. */
+#mesondefine HAVE_AS_S390_ZARCH
+
+/* Define if your assembler and linker support unaligned PC relative relocs.
+   */
+#mesondefine HAVE_AS_SPARC_UA_PCREL
+
+/* Define if your assembler supports unwind section type. */
+#mesondefine HAVE_AS_X86_64_UNWIND_SECTION_TYPE
+
+/* Define if your assembler supports PC relative relocs. */
+#mesondefine HAVE_AS_X86_PCREL
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#mesondefine HAVE_DLFCN_H
+
+/* Define if __attribute__((visibility("hidden"))) is supported. */
+#mesondefine HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#mesondefine HAVE_INTTYPES_H
+
+/* Define if you have the long double type and it is bigger than a double */
+#mesondefine HAVE_LONG_DOUBLE
+
+/* Define if you support more than one size of the long double type */
+#mesondefine HAVE_LONG_DOUBLE_VARIANT
+
+/* Define to 1 if you have the `memcpy' function. */
+#mesondefine HAVE_MEMCPY
+
+/* Define to 1 if you have the `memfd_create' function. */
+#mesondefine HAVE_MEMFD_CREATE
+
+/* Define if your compiler supports pointer authentication. */
+#mesondefine HAVE_PTRAUTH
+
+/* Define if .eh_frame sections should be read-only. */
+#mesondefine HAVE_RO_EH_FRAME
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#mesondefine HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#mesondefine HAVE_STDIO_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#mesondefine HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#mesondefine HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#mesondefine HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/memfd.h> header file. */
+#mesondefine HAVE_SYS_MEMFD_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#mesondefine HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#mesondefine HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#mesondefine HAVE_UNISTD_H
+
+/* The size of `double', as computed by sizeof. */
+#mesondefine SIZEOF_DOUBLE
+
+/* The size of `long double', as computed by sizeof. */
+#mesondefine SIZEOF_LONG_DOUBLE
+
+/* The size of `size_t', as computed by sizeof. */
+#mesondefine SIZEOF_SIZE_T
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#mesondefine STDC_HEADERS
+
+/* Define if symbols are underscored. */
+#mesondefine SYMBOL_UNDERSCORE
+
+/* Define this if you are using Purify and want to suppress spurious messages.
+   */
+#mesondefine USING_PURIFY
+
+/* Version number of package */
+#mesondefine VERSION
+
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+#mesondefine WORDS_BIGENDIAN
+# endif
+#endif
+
+
+#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+#ifdef LIBFFI_ASM
+#ifdef __APPLE__
+#define FFI_HIDDEN(name) .private_extern name
+#else
+#define FFI_HIDDEN(name) .hidden name
+#endif
+#else
+#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
+#endif
+#else
+#ifdef LIBFFI_ASM
+#define FFI_HIDDEN(name)
+#else
+#define FFI_HIDDEN
+#endif
+#endif
+

subprojects/packagefiles/libffi/include/meson.build

@@ -0,0 +1,12 @@
+ffi_h_conf = configuration_data()
+ffi_h_conf.set('VERSION', meson.project_version())
+ffi_h_conf.set('FFI_EXEC_TRAMPOLINE_TABLE', ffi_conf.get('FFI_EXEC_TRAMPOLINE_TABLE', 0))
+ffi_h_conf.set('HAVE_LONG_DOUBLE', ffi_conf.get('HAVE_LONG_DOUBLE', 0))
+ffi_h_conf.set('TARGET', target)
+
+configure_file(input : 'ffi.h.in',
+  output : 'ffi.h',
+  configuration : ffi_h_conf,
+  install_dir : get_option('includedir'))
+
+install_headers(f'../src/@targetdir@/ffitarget.h')

subprojects/packagefiles/libffi/meson-scripts/extract-libtool-version.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+
+import sys
+
+with open(sys.argv[1], 'r') as f:
+    for line in f.readlines():
+        line = line.strip()
+        if line and not line.startswith('#'):
+            print(line)
+            sys.exit(0)
+
+sys.exit(1)

subprojects/packagefiles/libffi/meson-scripts/test-cc-supports-hidden-visibility.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import os
+import re
+import sys
+import subprocess
+
+# Put output files in the builddir
+os.chdir(os.environ['MESON_BUILD_ROOT'])
+
+infile = 'visibility-conftest.c'
+outfile = 'visibility-conftest.S'
+
+with open(infile, 'w') as f:
+    f.write('int __attribute__ ((visibility ("hidden"))) foo (void) { return 1; }')
+
+args = sys.argv[1:]
+args += ['-Werror', '-S', infile, '-o', outfile]
+res = subprocess.run(args, stdout=subprocess.PIPE, universal_newlines=True, check=True)
+
+with open(outfile, 'r') as f:
+    if re.search('\.hidden.*foo', f.read()):
+        sys.exit(0)
+print('.hidden not found in the outputted assembly')
+sys.exit(1)

subprojects/packagefiles/libffi/meson-scripts/test-cc-uses-zarch.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import subprocess
+
+# Put output files in the builddir
+os.chdir(os.environ['MESON_BUILD_ROOT'])
+
+infile = 'zarch-conftest.c'
+outfile = 'zarch-conftest.S'
+
+with open(infile, 'w') as f:
+    f.write('void foo(void) { bar(); bar(); }')
+
+args = sys.argv[1:]
+args += ['-S', infile, '-o', outfile]
+res = subprocess.run(args, stdout=subprocess.PIPE, universal_newlines=True, check=True)
+
+with open(outfile, 'r') as f:
+    if 'brasl' in f.read():
+        sys.exit(0)
+
+sys.exit(1)

subprojects/packagefiles/libffi/meson-scripts/test-ro-eh-frame.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import re
+import subprocess
+
+# Put output files in the builddir
+os.chdir(os.environ['MESON_BUILD_ROOT'])
+
+infile = 'ro-eh-frame-conftest.c'
+outfile = 'ro-eh-frame-conftest.o'
+
+with open(infile, 'w') as f:
+    f.write('extern void foo (void); void bar (void) { foo (); foo (); }')
+
+args = sys.argv[1:]
+args += ['-c', infile, '-o', outfile]
+res = subprocess.run(args, stdout=subprocess.PIPE, universal_newlines=True, check=True)
+
+stdout = subprocess.check_output(['readelf', '-WS', outfile], stdout=subprocess.PIPE, universal_newlines=True)
+if re.search('eh_frame .* WA', stdout):
+    sys.exit(0)
+
+sys.exit(1)

subprojects/packagefiles/libffi/meson-scripts/test-unwind-section.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import re
+import subprocess
+
+# Put output files in the builddir
+os.chdir(os.environ['MESON_BUILD_ROOT'])
+
+infile1 = 'unwind-section-conftest.s'
+outfile1 = 'unwind-section-conftest.o'
+infile2 = 'unwind-section-conftest.c'
+
+with open(infile1, 'w') as f:
+    f.write('''
+        .text
+        .globl foo
+        foo:
+        jmp bar
+        .section .eh_frame,"a",@unwind
+        bar:
+    ''')
+
+with open(infile2, 'w') as f:
+    f.write('''
+        extern void foo();
+        int main(){foo();}
+    ''')
+
+args = sys.argv[1:]
+subprocess.check_call(args + ['-Wa,--fatal-warnings', '-c', infile1, '-o', outfile1],
+                      stdout=subprocess.PIPE, universal_newlines=True)
+subprocess.check_call(args + [infile2, outfile1], stdout=subprocess.PIPE, universal_newlines=True)
+
+sys.exit(0)