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-rw-r--r--vcpkg/ports/openslide/cross-build.diff32
-rw-r--r--vcpkg/ports/openslide/fix-win-build.patch248
-rw-r--r--vcpkg/ports/openslide/portfile.cmake52
-rw-r--r--vcpkg/ports/openslide/slidetool-unicode.patch33
-rw-r--r--vcpkg/ports/openslide/vcpkg.json51
-rw-r--r--vcpkg/ports/openslide/windows-dll-name.patch27
6 files changed, 443 insertions, 0 deletions
diff --git a/vcpkg/ports/openslide/cross-build.diff b/vcpkg/ports/openslide/cross-build.diff
new file mode 100644
index 0000000..7adf018
--- /dev/null
+++ b/vcpkg/ports/openslide/cross-build.diff
@@ -0,0 +1,32 @@
+diff --git a/meson.build b/meson.build
+index 0b4d7d4..de8773c 100644
+--- a/meson.build
++++ b/meson.build
+@@ -45,7 +45,7 @@ versions = {
+
+ # Compiler flags
+ cc = meson.get_compiler('c')
+-cc_native = meson.get_compiler('c', native : true)
++cc_native = meson.get_compiler('c')
+ add_project_arguments(
+ cc.get_supported_arguments(
+ '-Wstrict-prototypes',
+diff --git a/src/meson.build b/src/meson.build
+index e886eea..97309e5 100644
+--- a/src/meson.build
++++ b/src/meson.build
+@@ -1,3 +1,6 @@
++if meson.is_cross_build()
++ openslide_tables_c = [ '../openslide-tables.c' ]
++else
+ # generate openslide-tables.c
+ make_tables = executable(
+ 'make-tables', 'make-tables.c',
+@@ -9,6 +12,7 @@ openslide_tables_c = custom_target(
+ output : 'openslide-tables.c',
+ command : [make_tables, '@OUTPUT@'],
+ )
++endif
+
+ # Windows resources
+ openslide_dll_manifest = configure_file(
diff --git a/vcpkg/ports/openslide/fix-win-build.patch b/vcpkg/ports/openslide/fix-win-build.patch
new file mode 100644
index 0000000..3fc1ed8
--- /dev/null
+++ b/vcpkg/ports/openslide/fix-win-build.patch
@@ -0,0 +1,248 @@
+diff --git a/common/openslide-common-fd.c b/common/openslide-common-fd.c
+index 3d3ce955f3c1..20127ce4bdd9 100644
+--- a/common/openslide-common-fd.c
++++ b/common/openslide-common-fd.c
+@@ -27,10 +27,13 @@
+
+ #include <sys/types.h>
+ #include <sys/stat.h>
+-#include <unistd.h>
+ #include <fcntl.h>
+ #include <glib.h>
+
++#ifndef _WIN32
++#include <unistd.h>
++#endif
++
+ #ifdef __APPLE__
+ #include <sys/param.h> // MAXPATHLEN
+ #include <libproc.h>
+diff --git a/meson.build b/meson.build
+index 0b4d7d47b695..ac106fb1001f 100644
+--- a/meson.build
++++ b/meson.build
+@@ -59,6 +59,17 @@ add_project_arguments(
+ '-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_MIN_REQUIRED',
+ language : 'c'
+ )
++if host_machine.system() == 'windows'
++ # Windows likes to warn about C and POSIX functions
++ foreach native : [false, true]
++ add_project_arguments(
++ '-D_CRT_NONSTDC_NO_DEPRECATE',
++ '-D_CRT_SECURE_NO_WARNINGS',
++ language : 'c',
++ native : native,
++ )
++ endforeach
++endif
+ add_project_link_arguments(
+ cc.get_supported_link_arguments(
+ '-Wl,--no-undefined',
+@@ -66,6 +77,13 @@ add_project_link_arguments(
+ language : 'c'
+ )
+
++# Functions
++foreach f : ['fseeko', 'ftello']
++ if cc.has_function(f)
++ conf.set('HAVE_' + f.to_upper(), 1)
++ endif
++endforeach
++
+ # fopen cloexec flag
+ if host_machine.system() in ['dragonfly', 'freebsd', 'linux', 'netbsd', 'openbsd']
+ message('Using "e" flag for close-on-exec')
+diff --git a/src/meson.build b/src/meson.build
+index e886eea4b5c4..4be22f64aef7 100644
+--- a/src/meson.build
++++ b/src/meson.build
+@@ -24,6 +24,8 @@ openslide_dll_rc = configure_file(
+ if host_machine.system() == 'windows'
+ openslide_dll_o = import('windows').compile_resources(
+ openslide_dll_rc,
++ # https://github.com/llvm/llvm-project/issues/63426
++ args : [cc.get_argument_syntax() == 'msvc' ? '/c' : '-c', '65001'],
+ depend_files : [openslide_dll_manifest],
+ )
+ else
+diff --git a/src/openslide-decode-dicom.c b/src/openslide-decode-dicom.c
+index 24dcfbfe4568..d5fa053e94ef 100644
+--- a/src/openslide-decode-dicom.c
++++ b/src/openslide-decode-dicom.c
+@@ -88,7 +88,7 @@ static int64_t vfs_seek(DcmError **dcm_error, DcmIO *io,
+
+ // libdicom uses lseek(2) semantics, so it must always return the new file
+ // pointer
+- off_t new_position = _openslide_ftell(dio->file, &err);
++ int64_t new_position = _openslide_ftell(dio->file, &err);
+ if (new_position < 0) {
+ propagate_gerror(dcm_error, err);
+ }
+diff --git a/src/openslide-decode-tifflike.c b/src/openslide-decode-tifflike.c
+index 626cd4039110..3ca3e374f208 100644
+--- a/src/openslide-decode-tifflike.c
++++ b/src/openslide-decode-tifflike.c
+@@ -470,8 +470,9 @@ static struct tiff_directory *read_directory(struct _openslide_file *f,
+ return NULL;
+ }
+
+- // check for overflow
+- if (count > SSIZE_MAX / value_size) {
++ // compute total size
++ size_t value_len;
++ if (!g_size_checked_mul(&value_len, value_size, count)) {
+ g_set_error(err, OPENSLIDE_ERROR, OPENSLIDE_ERROR_FAILED,
+ "Value count too large");
+ return NULL;
+@@ -486,7 +487,7 @@ static struct tiff_directory *read_directory(struct _openslide_file *f,
+ }
+
+ // does value/offset contain the value?
+- if (value_size * count <= sizeof(value)) {
++ if (value_len <= sizeof(value)) {
+ // yes
+ fix_byte_order(value, value_size, count, big_endian);
+ if (!set_item_values(item, value, err)) {
+diff --git a/src/openslide-dll.rc.in b/src/openslide-dll.rc.in
+index 0670ee539e02..47e4d729e2bd 100644
+--- a/src/openslide-dll.rc.in
++++ b/src/openslide-dll.rc.in
+@@ -10,16 +10,16 @@ FILETYPE VFT_DLL
+ BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+- BLOCK "040904e4"
++ BLOCK "040904b0"
+ BEGIN
+ VALUE "FileDescription", "OpenSlide library"
+ VALUE "FileVersion", "@SUFFIXED_VERSION@"
+ VALUE "InternalName", "OpenSlide"
+- VALUE "LegalCopyright", "Copyright \251 2007-2023 Carnegie Mellon University and others. OpenSlide is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1."
++ VALUE "LegalCopyright", "Copyright © 2007-2023 Carnegie Mellon University and others. OpenSlide is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1."
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+- VALUE "Translation", 0x0409, 0x04e4
++ VALUE "Translation", 0x0409, 0x04b0
+ END
+ END
+diff --git a/src/openslide-file.c b/src/openslide-file.c
+index 2763f38071dc..11b568913cfe 100644
+--- a/src/openslide-file.c
++++ b/src/openslide-file.c
+@@ -36,6 +36,13 @@
+ #include <fcntl.h>
+ #endif
+
++#if !defined(HAVE_FSEEKO) && defined(_WIN32)
++#define fseeko _fseeki64
++#endif
++#if !defined(HAVE_FTELLO) && defined(_WIN32)
++#define ftello _ftelli64
++#endif
++
+ struct _openslide_file {
+ FILE *fp;
+ };
+@@ -141,7 +148,7 @@ size_t _openslide_fread(struct _openslide_file *file, void *buf, size_t size) {
+ return total;
+ }
+
+-bool _openslide_fseek(struct _openslide_file *file, off_t offset, int whence,
++bool _openslide_fseek(struct _openslide_file *file, int64_t offset, int whence,
+ GError **err) {
+ if (fseeko(file->fp, offset, whence)) {
+ g_set_error(err, G_FILE_ERROR, g_file_error_from_errno(errno),
+@@ -151,8 +158,8 @@ bool _openslide_fseek(struct _openslide_file *file, off_t offset, int whence,
+ return true;
+ }
+
+-off_t _openslide_ftell(struct _openslide_file *file, GError **err) {
+- off_t ret = ftello(file->fp);
++int64_t _openslide_ftell(struct _openslide_file *file, GError **err) {
++ int64_t ret = ftello(file->fp);
+ if (ret == -1) {
+ g_set_error(err, G_FILE_ERROR, g_file_error_from_errno(errno),
+ "%s", g_strerror(errno));
+@@ -160,15 +167,15 @@ off_t _openslide_ftell(struct _openslide_file *file, GError **err) {
+ return ret;
+ }
+
+-off_t _openslide_fsize(struct _openslide_file *file, GError **err) {
+- off_t orig = _openslide_ftell(file, err);
++int64_t _openslide_fsize(struct _openslide_file *file, GError **err) {
++ int64_t orig = _openslide_ftell(file, err);
+ if (orig == -1) {
+ return -1;
+ }
+ if (!_openslide_fseek(file, 0, SEEK_END, err)) {
+ return -1;
+ }
+- off_t ret = _openslide_ftell(file, err);
++ int64_t ret = _openslide_ftell(file, err);
+ if (ret == -1) {
+ return -1;
+ }
+diff --git a/src/openslide-private.h b/src/openslide-private.h
+index 5ae36939b048..eb670427f6e4 100644
+--- a/src/openslide-private.h
++++ b/src/openslide-private.h
+@@ -186,10 +186,10 @@ struct _openslide_file;
+
+ struct _openslide_file *_openslide_fopen(const char *path, GError **err);
+ size_t _openslide_fread(struct _openslide_file *file, void *buf, size_t size);
+-bool _openslide_fseek(struct _openslide_file *file, off_t offset, int whence,
++bool _openslide_fseek(struct _openslide_file *file, int64_t offset, int whence,
+ GError **err);
+-off_t _openslide_ftell(struct _openslide_file *file, GError **err);
+-off_t _openslide_fsize(struct _openslide_file *file, GError **err);
++int64_t _openslide_ftell(struct _openslide_file *file, GError **err);
++int64_t _openslide_fsize(struct _openslide_file *file, GError **err);
+ void _openslide_fclose(struct _openslide_file *file);
+ bool _openslide_fexists(const char *path, GError **err);
+
+diff --git a/src/openslide-vendor-synthetic.c b/src/openslide-vendor-synthetic.c
+index e3a44056900a..2966803ae6e8 100644
+--- a/src/openslide-vendor-synthetic.c
++++ b/src/openslide-vendor-synthetic.c
+@@ -156,13 +156,13 @@ static bool decode_png(const void *data, uint32_t len,
+
+ struct mem_tiff {
+ const uint8_t *data;
+- ssize_t offset;
+- ssize_t size;
++ int64_t offset;
++ int64_t size;
+ };
+
+ static tsize_t mem_tiff_read(thandle_t th, tdata_t buf, tsize_t size) {
+ struct mem_tiff *mem = th;
+- ssize_t count = MIN(mem->size - mem->offset, size);
++ int64_t count = MIN(mem->size - mem->offset, size);
+ memcpy(buf, mem->data + mem->offset, count);
+ mem->offset += count;
+ return count;
+diff --git a/tools/slidetool-util.c b/tools/slidetool-util.c
+index 28901eda611c..7a0de731245f 100644
+--- a/tools/slidetool-util.c
++++ b/tools/slidetool-util.c
+@@ -20,11 +20,16 @@
+ */
+
+ #include <stdio.h>
+-#include <unistd.h>
+ #include <errno.h>
+ #include "openslide-common.h"
+ #include "slidetool.h"
+
++#ifdef _WIN32
++#include <io.h>
++#else
++#include <unistd.h>
++#endif
++
+ struct output open_output(const char *filename) {
+ struct output out;
+ if (filename) {
diff --git a/vcpkg/ports/openslide/portfile.cmake b/vcpkg/ports/openslide/portfile.cmake
new file mode 100644
index 0000000..56ba5e0
--- /dev/null
+++ b/vcpkg/ports/openslide/portfile.cmake
@@ -0,0 +1,52 @@
+vcpkg_from_github(
+ OUT_SOURCE_PATH SOURCE_PATH
+ REPO openslide/openslide
+ REF "v${VERSION}"
+ SHA512 98822994dd437f5a7d40e0a769fc9c63eda46823ede0547f530390b78b256631a50f66ac0d63d32a8875fc38283f96bc2f624f1023fe98772e9a89a8d6afb514
+ HEAD_REF main
+ PATCHES
+ cross-build.diff
+ fix-win-build.patch
+ slidetool-unicode.patch
+ windows-dll-name.patch
+)
+if(VCPKG_CROSSCOMPILING)
+ file(COPY
+ "${CURRENT_HOST_INSTALLED_DIR}/share/${PORT}/${VERSION}/openslide-tables.c"
+ DESTINATION "${SOURCE_PATH}"
+ )
+endif()
+
+vcpkg_cmake_get_vars(cmake_vars_file)
+include("${cmake_vars_file}")
+if(VCPKG_DETECTED_CMAKE_C_COMPILER_ID STREQUAL "MSVC")
+ message(FATAL_ERROR "MSVC is not supported; use clang-cl")
+endif()
+
+vcpkg_configure_meson(
+ SOURCE_PATH "${SOURCE_PATH}"
+ OPTIONS "-Dtest=disabled"
+)
+vcpkg_install_meson()
+vcpkg_fixup_pkgconfig()
+
+vcpkg_copy_tools(
+ TOOL_NAMES
+ openslide-quickhash1sum
+ openslide-show-properties
+ openslide-write-png
+ slidetool
+ AUTO_CLEAN
+)
+
+if(NOT VCPKG_CROSSCOMPILING)
+ file(COPY
+ "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/src/openslide-tables.c"
+ DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}/${VERSION}"
+ )
+endif()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/COPYING.LESSER")
diff --git a/vcpkg/ports/openslide/slidetool-unicode.patch b/vcpkg/ports/openslide/slidetool-unicode.patch
new file mode 100644
index 0000000..07f50c7
--- /dev/null
+++ b/vcpkg/ports/openslide/slidetool-unicode.patch
@@ -0,0 +1,33 @@
+commit 93c479edf1b12accd3291ad7cddd064f85c3a522
+Author: Benjamin Gilbert <bgilbert@cs.cmu.edu>
+Date: Fri Jul 4 06:58:21 2025 -0700
+
+ tools: open output files using Unicode paths on Windows
+
+ We receive filename arguments in Unicode. Don't open them in the ANSI
+ code page, mangling the filenames.
+
+ Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>
+
+diff --git a/tools/slidetool-util.c b/tools/slidetool-util.c
+index 7a0de731245f..041df9c29163 100644
+--- a/tools/slidetool-util.c
++++ b/tools/slidetool-util.c
+@@ -33,7 +33,17 @@
+ struct output open_output(const char *filename) {
+ struct output out;
+ if (filename) {
++#ifdef _WIN32
++ GError *tmp_err = NULL;
++ g_autofree wchar_t *filename16 =
++ (wchar_t *) g_utf8_to_utf16(filename, -1, NULL, NULL, &tmp_err);
++ if (filename16 == NULL) {
++ common_fail("Couldn't open %s: %s", filename, tmp_err->message);
++ }
++ FILE *fp = _wfopen(filename16, L"wb");
++#else
+ FILE *fp = fopen(filename, "wb");
++#endif
+ if (!fp) {
+ common_fail("Can't open %s for writing: %s", filename, strerror(errno));
+ }
diff --git a/vcpkg/ports/openslide/vcpkg.json b/vcpkg/ports/openslide/vcpkg.json
new file mode 100644
index 0000000..6257b35
--- /dev/null
+++ b/vcpkg/ports/openslide/vcpkg.json
@@ -0,0 +1,51 @@
+{
+ "name": "openslide",
+ "version": "4.0.0",
+ "port-version": 4,
+ "description": "OpenSlide is a C library for reading whole slide image files (also known as virtual slides). It provides a consistent and simple API for reading files from multiple vendors.",
+ "homepage": "https://openslide.org/",
+ "license": "LGPL-2.1-only",
+ "supports": "!xbox",
+ "dependencies": [
+ {
+ "name": "cairo",
+ "default-features": false
+ },
+ {
+ "name": "gdk-pixbuf",
+ "default-features": false,
+ "features": [
+ "others"
+ ]
+ },
+ "glib",
+ "libdicom",
+ "libjpeg-turbo",
+ "libpng",
+ {
+ "name": "libxml2",
+ "default-features": false
+ },
+ "openjpeg",
+ {
+ "name": "openslide",
+ "host": true
+ },
+ {
+ "name": "sqlite3",
+ "default-features": false
+ },
+ {
+ "name": "tiff",
+ "default-features": false,
+ "features": [
+ "jpeg"
+ ]
+ },
+ {
+ "name": "vcpkg-tool-meson",
+ "host": true
+ },
+ "zlib"
+ ]
+}
diff --git a/vcpkg/ports/openslide/windows-dll-name.patch b/vcpkg/ports/openslide/windows-dll-name.patch
new file mode 100644
index 0000000..ea863a6
--- /dev/null
+++ b/vcpkg/ports/openslide/windows-dll-name.patch
@@ -0,0 +1,27 @@
+commit 6d80b9db41810eb316d81cd2149265b89f5dc35f
+Author: Benjamin Gilbert <bgilbert@cs.cmu.edu>
+Date: Mon Aug 4 21:32:06 2025 -0600
+
+ meson: use `lib` library prefix when building on Windows
+
+ Meson defaults to omitting the `lib` library prefix on Windows except when
+ building with MinGW, producing openslide-1.dll. OpenSlide Java, OpenSlide
+ Python, and other bindings assume the library is libopenslide-1.dll, since
+ that's what openslide-bin ships. Ensure we use that name.
+
+ Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>
+
+diff --git a/src/meson.build b/src/meson.build
+index 676e5feb3f56..821fc3b938fc 100644
+--- a/src/meson.build
++++ b/src/meson.build
+@@ -81,6 +81,9 @@ libopenslide = library(
+ openslide_sources,
+ version : soversion,
+ c_args : ['-D_OPENSLIDE_BUILDING_DLL', '-DG_LOG_DOMAIN="OpenSlide"'],
++ # Meson omits 'lib' by default on Windows except on MinGW. Maintain
++ # compatibility with the MinGW build, since it was here first.
++ name_prefix : host_machine.system() == 'windows' ? 'lib' : [],
+ gnu_symbol_visibility : visibility,
+ include_directories : config_h_include,
+ dependencies : [
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-15 02:44:05 +0000