Added support TCC compiler and building deps on other Unix platforms

CMakeLists.txt

@@ -478,6 +478,8 @@ if(LIBZIP_DO_INSTALL)
 
   # Install Find* modules, they are required by libzip-config.cmake to resolve dependencies
   install(FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindBZip2.cmake
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibLZMA.cmake
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindNettle.cmake
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Findzstd.cmake
     DESTINATION

cmake/FindBZip2.cmake

@@ -0,0 +1,48 @@
+# - Try to find BZip2
+# Once done this will define
+#
+#  BZIP2_FOUND - system has BZip2
+#  BZIP2_INCLUDE_DIRS - the BZip2 include directory
+#  BZIP2_LIBRARIES - Link these to use BZip2
+#  BZIP2_VERSION - The version of the BZip2 library found
+
+find_package(PkgConfig)
+pkg_check_modules(PC_BZIP2 QUIET bzip2)
+
+find_path(BZIP2_INCLUDE_DIR bzlib.h
+    HINTS ${PC_BZIP2_INCLUDEDIR}
+    PATHS /usr/include /usr/local/include
+)
+
+find_library(BZIP2_LIBRARY NAMES bz2
+    HINTS ${PC_BZIP2_LIBDIR}
+    PATHS /usr/lib /usr/local/lib /lib
+    PATH_SUFFIXES x86_64-linux-gnu
+)
+
+set(BZIP2_INCLUDE_DIRS ${BZIP2_INCLUDE_DIR})
+set(BZIP2_LIBRARIES ${BZIP2_LIBRARY})
+
+if(BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h")
+    file(STRINGS "${BZIP2_INCLUDE_DIR}/bzlib.h" BZIP2_VERSION_LINE REGEX "^#define BZ_VERSION[ \t]+\".*\"")
+    if(BZIP2_VERSION_LINE)
+        string(REGEX REPLACE "^#define BZ_VERSION[ \t]+\"([0-9.]+).*\"" "\\1" BZIP2_VERSION "${BZIP2_VERSION_LINE}")
+    endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(BZip2
+    FOUND_VAR BZIP2_FOUND
+    REQUIRED_VARS BZIP2_LIBRARY BZIP2_INCLUDE_DIR
+    VERSION_VAR BZIP2_VERSION
+)
+
+if(BZIP2_FOUND AND NOT TARGET BZip2::BZip2)
+    add_library(BZip2::BZip2 UNKNOWN IMPORTED)
+    set_target_properties(BZip2::BZip2 PROPERTIES
+        IMPORTED_LOCATION "${BZIP2_LIBRARIES}"
+        INTERFACE_INCLUDE_DIRECTORIES "${BZIP2_INCLUDE_DIRS}"
+    )
+endif()
+
+mark_as_advanced(BZIP2_INCLUDE_DIR BZIP2_LIBRARY)

cmake/FindLibLZMA.cmake

@@ -0,0 +1,45 @@
+# - Try to find LibLZMA
+# Once done this will define
+#
+#  LIBLZMA_FOUND - system has LibLZMA
+#  LIBLZMA_INCLUDE_DIRS - the LibLZMA include directory
+#  LIBLZMA_LIBRARIES - Link these to use LibLZMA
+#  LIBLZMA_VERSION - The version of the LibLZMA library found
+
+find_package(PkgConfig)
+pkg_check_modules(PC_LIBLZMA QUIET liblzma)
+
+find_path(LIBLZMA_INCLUDE_DIR lzma.h
+    HINTS ${PC_LIBLZMA_INCLUDEDIR}
+)
+
+find_library(LIBLZMA_LIBRARY NAMES lzma
+    HINTS ${PC_LIBLZMA_LIBDIR}
+)
+
+set(LIBLZMA_INCLUDE_DIRS ${LIBLZMA_INCLUDE_DIR})
+set(LIBLZMA_LIBRARIES ${LIBLZMA_LIBRARY})
+
+if(LIBLZMA_INCLUDE_DIR AND EXISTS "${LIBLZMA_INCLUDE_DIR}/lzma.h")
+    file(STRINGS "${LIBLZMA_INCLUDE_DIR}/lzma.h" LIBLZMA_VERSION_LINE REGEX "^#define LZMA_VERSION_STRING[ \t]+\".*\"")
+    if(LIBLZMA_VERSION_LINE)
+        string(REGEX REPLACE "^#define LZMA_VERSION_STRING[ \t]+\"([0-9.]+)\"" "\\1" LIBLZMA_VERSION "${LIBLZMA_VERSION_LINE}")
+    endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(LibLZMA
+    FOUND_VAR LIBLZMA_FOUND
+    REQUIRED_VARS LIBLZMA_LIBRARY LIBLZMA_INCLUDE_DIR
+    VERSION_VAR LIBLZMA_VERSION
+)
+
+if(LIBLZMA_FOUND AND NOT TARGET LibLZMA::LibLZMA)
+    add_library(LibLZMA::LibLZMA UNKNOWN IMPORTED)
+    set_target_properties(LibLZMA::LibLZMA PROPERTIES
+        IMPORTED_LOCATION "${LIBLZMA_LIBRARIES}"
+        INTERFACE_INCLUDE_DIRECTORIES "${LIBLZMA_INCLUDE_DIRS}"
+    )
+endif()
+
+mark_as_advanced(LIBLZMA_INCLUDE_DIR LIBLZMA_LIBRARY)

cmake/FindZLIB.cmake

@@ -0,0 +1,31 @@
+# - Find ZLIB
+# Find the native ZLIB includes and library.
+#
+#  ZLIB_INCLUDE_DIRS - where to find zlib.h, etc.
+#  ZLIB_LIBRARIES    - List of libraries when using zlib.
+#  ZLIB_FOUND        - True if zlib found.
+
+find_package(PkgConfig)
+pkg_check_modules(PC_ZLIB QUIET zlib)
+
+find_path(ZLIB_INCLUDE_DIR zlib.h
+    HINTS ${PC_ZLIB_INCLUDEDIR} ${PC_ZLIB_INCLUDE_DIRS})
+
+find_library(ZLIB_LIBRARY NAMES z zlib
+    HINTS ${PC_ZLIB_LIBDIR} ${PC_ZLIB_LIBRARY_DIRS})
+
+set(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
+set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(ZLIB DEFAULT_MSG
+    ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
+
+if(ZLIB_FOUND AND NOT TARGET ZLIB::ZLIB)
+    add_library(ZLIB::ZLIB UNKNOWN IMPORTED)
+    set_target_properties(ZLIB::ZLIB PROPERTIES
+        IMPORTED_LOCATION "${ZLIB_LIBRARY}"
+        INTERFACE_INCLUDE_DIRECTORIES "${ZLIB_INCLUDE_DIR}")
+endif()
+
+mark_as_advanced(ZLIB_INCLUDE_DIR ZLIB_LIBRARY)

lib/zip_source_file_stdio.c

@@ -31,15 +31,20 @@
   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+#include <fcntl.h>
+
 #include "zipint.h"
 
 #include "zip_source_file.h"
 #include "zip_source_file_stdio.h"
 
-#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 
+#if defined(__TINYC__)
+#include "compat.h"
+#endif
+
 #ifdef _WIN32
 #ifndef S_IWUSR
 #define S_IWUSR _S_IWRITE

lib/zip_source_file_stdio_named.c

@@ -31,18 +31,23 @@
   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+#include <fcntl.h>
+
 #include "zipint.h"
 
 #include "zip_source_file.h"
 #include "zip_source_file_stdio.h"
 
-#include <fcntl.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 
+#if defined(__TINYC__)
+#include "compat.h"
+#endif
+
 #ifdef HAVE_CLONEFILE
 #include <sys/attr.h>
 #include <sys/clonefile.h>