Fix building of training tools in shared configuration.

Author: egorpugin

CMakeLists.txt

@@ -54,11 +54,15 @@ if(NOT EXISTS ${PROJECT_SOURCE_DIR}/.cppan)
         find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION} REQUIRED CONFIG)
     endif()
 else()
+    if (STATIC)
+        set(CPPAN_BUILD_SHARED_LIBS 0)
+    else()
+        set(CPPAN_BUILD_SHARED_LIBS 1)
+    endif()
     add_subdirectory(.cppan)
 endif()
 
 find_package(OpenCL QUIET)
-find_package(PkgConfig)
 
 ###############################################################################
 #
@@ -203,7 +207,11 @@ set(tesseract_src ${tesseract_src}
 
 add_library                     (tesseract ${LIBRARY_TYPE} ${tesseract_src} ${tesseract_hdr})
 if (NOT STATIC)
-target_compile_definitions      (tesseract PUBLIC -DTESS_EXPORTS)
+target_compile_definitions      (tesseract
+    PRIVATE -DTESS_EXPORTS
+    INTERFACE -DTESS_IMPORTS
+)
+set_target_properties           (tesseract PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS True)
 endif()
 target_link_libraries           (tesseract ${LIB_Ws2_32} ${LIB_pthread})
 set_target_properties           (tesseract PROPERTIES VERSION ${VERSION_MAJOR}.${VERSION_MINOR_0}.${VERSION_MINOR_1})
@@ -217,7 +225,8 @@ if (NOT CPPAN_BUILD)
     target_link_libraries       (tesseract ${Leptonica_LIBRARIES})
     export(TARGETS tesseract FILE ${CMAKE_BINARY_DIR}/TesseractTargets.cmake)
 else()
-    target_link_libraries       (tesseract cppan)
+    target_link_libraries       (tesseract pvt.cppan.demo.leptonica)
+    add_dependencies            (tesseract cppan)
     file(WRITE ${CMAKE_BINARY_DIR}/TesseractTargets.cmake "include(${CMAKE_BINARY_DIR}/cppan.cmake)\n")
     export(TARGETS tesseract APPEND FILE ${CMAKE_BINARY_DIR}/TesseractTargets.cmake)
 endif()

ccutil/unicharset.h

@@ -141,7 +141,7 @@ class UNICHARSET {
   // Custom list of characters and their ligature forms (UTF8)
   // These map to unicode values in the private use area (PUC) and are supported
   // by only few font families (eg. Wyld, Adobe Caslon Pro).
-  static const char* kCustomLigatures[][2];
+  static TESS_API const char* kCustomLigatures[][2];
 
   // List of strings for the SpecialUnicharCodes. Keep in sync with the enum.
   static const char* kSpecialUnicharCodes[SPECIAL_UNICHAR_CODES_COUNT];

classify/featdefs.h

@@ -77,7 +77,7 @@ int ShortNameToFeatureType(const FEATURE_DEFS_STRUCT &FeatureDefs,
         Global Data Definitions and Declarations
 ----------------------------------------------------------------------------**/
 extern const FEATURE_DESC_STRUCT MicroFeatureDesc;
-extern const FEATURE_DESC_STRUCT PicoFeatDesc;
+extern TESS_API const FEATURE_DESC_STRUCT PicoFeatDesc;
 extern const FEATURE_DESC_STRUCT CharNormDesc;
 extern const FEATURE_DESC_STRUCT OutlineFeatDesc;
 extern const FEATURE_DESC_STRUCT IntFeatDesc;

classify/picofeat.h

@@ -61,5 +61,5 @@ extern double_VAR_H(classify_pico_feature_length, 0.05, "Pico Feature Length");
 /**----------------------------------------------------------------------------
         Global Data Definitions and Declarations
 ----------------------------------------------------------------------------**/
-extern FLOAT32 PicoFeatureLength;
+extern TESS_API FLOAT32 PicoFeatureLength;
 #endif

cppan.yml

@@ -122,10 +122,14 @@ options:
               - WINDLLNAME="tesseract"
     shared:
         definitions:
-            public: TESS_EXPORTS
+            private:
+                - TESS_EXPORTS
+            interface:
+                - TESS_IMPORTS
 
 dependencies:
-  private:
-    # tesseract uses leptonica only internally
-    # and does not expose its interface to users
-    pvt.cppan.demo.leptonica: master
+    private:
+        pvt.cppan.demo.leptonica: master
+        # only for training tools, move to them later
+        pvt.cppan.demo.unicode.icu.i18n: "*"
+

dict/trie.h

@@ -402,7 +402,7 @@ class Trie : public Dawg {
                              EDGE_VECTOR* backward_edges,
                              NODE_MARKER reduced_nodes);
 
-  /** 
+  /**
    * Order num_edges of consequtive EDGE_RECORDS in the given EDGE_VECTOR in
    * increasing order of unichar ids. This function is normally called
    * for all edges in a single node, and since number of edges in each node

training/CMakeLists.txt

@@ -2,56 +2,62 @@
 # tesseract
 #
 
-if (STATIC OR NOT (WIN32 OR CYGWIN))
-
-# experimental
-if (MSVC)
-
-include(CheckTypeSize)
-check_type_size("void *" SIZEOF_VOID_P)
-
-if (SIZEOF_VOID_P EQUAL 8)
-    set(X64 1)
-    set(ARCH_DIR_NAME 64)
-elseif (SIZEOF_VOID_P EQUAL 4)
-    set(X86 1)
-    set(ARCH_DIR_NAME 32)
-else()
-    message(FATAL_ERROR "Cannot determine target architecture")
+if (NOT CPPAN_BUILD AND NOT (WIN32 OR CYGWIN))
+    return()
 endif()
 
-set(icu_dir "${CMAKE_CURRENT_BINARY_DIR}/icu")
-set(icu_archive "${icu_dir}/icu${ARCH_DIR_NAME}.zip")
-
-if (X86)
-    set(icu_hash 45167a240b60e36b59a87eda23490ce4)
-else()
-    set(icu_hash 480c72491576c048de1218c3c5519399)
+if (CPPAN_BUILD)
+    set(ICU_FOUND 1)
 endif()
 
-message(STATUS "Downloading latest ICU binaries")
-
-file(DOWNLOAD
-    "http://download.icu-project.org/files/icu4c/56.1/icu4c-56_1-Win${ARCH_DIR_NAME}-msvc10.zip"
-    "${icu_archive}"
-    SHOW_PROGRESS
-    INACTIVITY_TIMEOUT 60 # seconds
-    EXPECTED_HASH MD5=${icu_hash}
-)
-execute_process(COMMAND ${CMAKE_COMMAND} -E tar xz "${icu_archive}"
-    WORKING_DIRECTORY "${icu_dir}"
-    RESULT_VARIABLE __result
-)
-if(NOT __result EQUAL 0)
-    message(FATAL_ERROR "error ${__result}")
+# experimental
+if (MSVC AND NOT CPPAN_BUILD)
+    include(CheckTypeSize)
+    check_type_size("void *" SIZEOF_VOID_P)
+
+    if (SIZEOF_VOID_P EQUAL 8)
+        set(X64 1)
+        set(ARCH_DIR_NAME 64)
+    elseif (SIZEOF_VOID_P EQUAL 4)
+        set(X86 1)
+        set(ARCH_DIR_NAME 32)
+    else()
+        message(FATAL_ERROR "Cannot determine target architecture")
+    endif()
+
+    set(icu_dir "${CMAKE_CURRENT_BINARY_DIR}/icu")
+    set(icu_archive "${icu_dir}/icu${ARCH_DIR_NAME}.zip")
+
+    if (X86)
+        set(icu_hash 45167a240b60e36b59a87eda23490ce4)
+    else()
+        set(icu_hash 480c72491576c048de1218c3c5519399)
+    endif()
+
+    message(STATUS "Downloading latest ICU binaries")
+
+    file(DOWNLOAD
+        "http://download.icu-project.org/files/icu4c/56.1/icu4c-56_1-Win${ARCH_DIR_NAME}-msvc10.zip"
+        "${icu_archive}"
+        SHOW_PROGRESS
+        INACTIVITY_TIMEOUT 60 # seconds
+        EXPECTED_HASH MD5=${icu_hash}
+    )
+    execute_process(COMMAND ${CMAKE_COMMAND} -E tar xz "${icu_archive}"
+        WORKING_DIRECTORY "${icu_dir}"
+        RESULT_VARIABLE __result
+    )
+    if(NOT __result EQUAL 0)
+        message(FATAL_ERROR "error ${__result}")
+    endif()
+
+    set(ICU_ROOT ${icu_dir}/icu)
 endif()
-
-set(ICU_ROOT ${icu_dir}/icu)
-
-endif(MSVC)
 # experimental
 
+if (NOT CPPAN_BUILD)
 find_package(ICU COMPONENTS uc i18n)
+endif()
 
 ########################################
 # LIBRARY tessopt
@@ -159,7 +165,9 @@ project_group               (wordlist2dawg "Training Tools")
 
 if (ICU_FOUND)
 
+if (NOT CPPAN_BUILD)
 include_directories(${ICU_INCLUDE_DIRS})
+endif()
 
 ########################################
 # LIBRARY unicharset_training
@@ -177,7 +185,11 @@ set(unicharset_training_src
     unicharset_training_utils.h
 )
 add_library                 (unicharset_training ${unicharset_training_src})
+if (NOT CPPAN_BUILD)
 target_link_libraries       (unicharset_training common_training ${ICU_LIBRARIES})
+else()
+target_link_libraries       (unicharset_training common_training pvt.cppan.demo.unicode.icu.i18n)
+endif()
 project_group               (unicharset_training "Training Tools")
 
 
@@ -198,6 +210,7 @@ add_executable              (lstmtraining lstmtraining.cpp)
 target_link_libraries       (lstmtraining unicharset_training)
 project_group               (lstmtraining "Training Tools")
 
+
 ########################################
 # EXECUTABLE set_unicharset_properties
 ########################################
@@ -211,6 +224,10 @@ project_group               (set_unicharset_properties "Training Tools")
 # EXECUTABLE text2image
 ########################################
 
+if (NOT CPPAN_BUILD)
+find_package(PkgConfig)
+endif()
+
 if (PKG_CONFIG_FOUND)
 
 pkg_check_modules(Pango REQUIRED pango)
@@ -246,7 +263,6 @@ add_executable              (text2image ${text2image_src})
 target_include_directories  (text2image BEFORE PRIVATE ${Cairo_INCLUDE_DIRS} ${Pango_INCLUDE_DIRS})
 target_compile_definitions  (text2image PRIVATE -DPANGO_ENABLE_ENGINE)
 target_link_libraries       (text2image tesseract unicharset_training
-    ${ICU_LIBRARIES}
     ${Pango_LIBRARIES}
     ${Cairo_LIBRARIES}
     ${PangoCairo_LIBRARIES}
@@ -257,6 +273,5 @@ project_group               (text2image "Training Tools")
 
 endif(PKG_CONFIG_FOUND)
 endif(ICU_FOUND)
-endif(STATIC OR NOT (WIN32 OR CYGWIN))
 
 ###############################################################################

training/mergenf.cpp

@@ -33,7 +33,6 @@
 #include <string.h>
 #include <math.h>
 
-
 /*-------------------once in subfeat---------------------------------*/
 double_VAR(training_angle_match_scale, 1.0, "Angle Match Scale ...");
 
@@ -199,9 +198,9 @@ int FindClosestExistingProto(CLASS_TYPE Class, int NumMerged[],
  *
  * @param New new proto to be filled in
  * @param Old old proto to be converted
- * 
+ *
  *  Globals: none
- * 
+ *
  * Exceptions: none
  * History: Mon Nov 26 09:45:39 1990, DSJ, Created.
  */