libjpeg-turbo: include transupp functionality for freeimage

From 4a0584f7c05641143151ebdc1be1163bebf9d35d Mon Sep 17 00:00:00 2001

From: Las <las@protonmail.ch>

Date: Sun, 3 Jan 2021 18:35:37 +0000

Subject: [PATCH] Compile transupp.c as part of the library

The exported symbols are made weak to not conflict with users

of the library that already vendor this functionality.

---

 CMakeLists.txt |  4 ++--

 transupp.c     | 14 +++++++-------

 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt

index 0ca6f98..a9a0fae 100644

--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -533,7 +533,7 @@ set(JPEG_SOURCES jcapimin.c jcapistd.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c

   jdatasrc.c jdcoefct.c jdcolor.c jddctmgr.c jdhuff.c jdicc.c jdinput.c

   jdmainct.c jdmarker.c jdmaster.c jdmerge.c jdphuff.c jdpostct.c jdsample.c

   jdtrans.c jerror.c jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c

-  jidctint.c jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c)

+  jidctint.c jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c transupp.c)

 if(WITH_ARITH_ENC OR WITH_ARITH_DEC)

   set(JPEG_SOURCES ${JPEG_SOURCES} jaricom.c)

@@ -1489,7 +1489,7 @@ install(EXPORT ${CMAKE_PROJECT_NAME}Targets

 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/jconfig.h

   ${CMAKE_CURRENT_SOURCE_DIR}/jerror.h ${CMAKE_CURRENT_SOURCE_DIR}/jmorecfg.h

-  ${CMAKE_CURRENT_SOURCE_DIR}/jpeglib.h

+  ${CMAKE_CURRENT_SOURCE_DIR}/jpeglib.h ${CMAKE_CURRENT_SOURCE_DIR}/transupp.h

   DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})

 include(cmakescripts/BuildPackages.cmake)

diff --git a/transupp.c b/transupp.c

index 6e86077..2da49a7 100644

--- a/transupp.c

+++ b/transupp.c

@@ -1386,7 +1386,7 @@ jt_read_integer(const char **strptr, JDIMENSION *result)

  * This code is loosely based on XParseGeometry from the X11 distribution.

  */

-GLOBAL(boolean)

+GLOBAL(boolean) __attribute__((weak))

 jtransform_parse_crop_spec(jpeg_transform_info *info, const char *spec)

 {

   info->crop = FALSE;

@@ -1486,7 +1486,7 @@ trim_bottom_edge(jpeg_transform_info *info, JDIMENSION full_height)

  * and transformation is not perfect.  Otherwise returns TRUE.

  */

-GLOBAL(boolean)

+GLOBAL(boolean) __attribute__((weak))

 jtransform_request_workspace(j_decompress_ptr srcinfo,

                              jpeg_transform_info *info)

 {

@@ -2033,7 +2033,7 @@ adjust_exif_parameters(JOCTET *data, unsigned int length, JDIMENSION new_width,

  * to jpeg_write_coefficients().

  */

-GLOBAL(jvirt_barray_ptr *)

+GLOBAL(jvirt_barray_ptr *) __attribute__((weak))

 jtransform_adjust_parameters(j_decompress_ptr srcinfo, j_compress_ptr dstinfo,

                              jvirt_barray_ptr *src_coef_arrays,

                              jpeg_transform_info *info)

@@ -2152,7 +2152,7 @@ jtransform_adjust_parameters(j_decompress_ptr srcinfo, j_compress_ptr dstinfo,

  * Note that some transformations will modify the source data arrays!

  */

-GLOBAL(void)

+GLOBAL(void) __attribute__((weak))

 jtransform_execute_transform(j_decompress_ptr srcinfo, j_compress_ptr dstinfo,

                              jvirt_barray_ptr *src_coef_arrays,

                              jpeg_transform_info *info)

@@ -2264,7 +2264,7 @@ jtransform_execute_transform(j_decompress_ptr srcinfo, j_compress_ptr dstinfo,

  *           (may use custom action then)

  */

-GLOBAL(boolean)

+GLOBAL(boolean) __attribute__((weak))

 jtransform_perfect_transform(JDIMENSION image_width, JDIMENSION image_height,

                              int MCU_width, int MCU_height,

                              JXFORM_CODE transform)

@@ -2303,7 +2303,7 @@ jtransform_perfect_transform(JDIMENSION image_width, JDIMENSION image_height,

  * This must be called before jpeg_read_header() to have the desired effect.

  */

-GLOBAL(void)

+GLOBAL(void) __attribute__((weak))

 jcopy_markers_setup(j_decompress_ptr srcinfo, JCOPY_OPTION option)

 {

 #ifdef SAVE_MARKERS_SUPPORTED

@@ -2331,7 +2331,7 @@ jcopy_markers_setup(j_decompress_ptr srcinfo, JCOPY_OPTION option)

  * JFIF APP0 or Adobe APP14 markers if selected.

  */

-GLOBAL(void)

+GLOBAL(void) __attribute__((weak))

 jcopy_markers_execute(j_decompress_ptr srcinfo, j_compress_ptr dstinfo,

                       JCOPY_OPTION option)

 {

-- 

2.29.2

    sha256 = "0njdxfmyk8smj8bbd6fs3lxjaq3lybivwgg16gpnbiyl984dpi9b";

  };

  patches =

    stdenv.lib.optional (stdenv.hostPlatform.libc or null == "msvcrt")

  # This is needed by freeimage

  patches = [ ./0001-Compile-transupp.c-as-part-of-the-library.patch ]

    ++ stdenv.lib.optional (stdenv.hostPlatform.libc or null == "msvcrt")

      ./mingw-boolean.patch;

  outputs = [ "bin" "dev" "out" "man" "doc" ];

  outputs = [ "bin" "dev" "dev_private" "out" "man" "doc" ];

  postFixup = ''

    moveToOutput include/transupp.h $dev_private

  '';

  nativeBuildInputs = [ cmake nasm ];