export

Author: K-ballo

CMakeLists.txt

@@ -47,12 +47,28 @@ endif()
 # Internal name _eggs_assert; downstream CMake code uses the alias Eggs::Assert.
 #
 add_library(_eggs_assert src/assert.cpp)
+set_target_properties(_eggs_assert PROPERTIES EXPORT_NAME Assert)
+target_compile_features(_eggs_assert PUBLIC cxx_std_23)
+
+include(GenerateExportHeader)
+generate_export_header(
+    _eggs_assert
+    BASE_NAME EGGS_ASSERT
+    EXPORT_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/include/eggs/assert-export.h"
+)
 target_sources(
     _eggs_assert
-    PUBLIC FILE_SET HEADERS BASE_DIRS include FILES include/eggs/assert.h
+    PUBLIC
+        FILE_SET HEADERS
+            BASE_DIRS include "${CMAKE_CURRENT_BINARY_DIR}/include"
+            FILES
+                include/eggs/assert.h
+                "${CMAKE_CURRENT_BINARY_DIR}/include/eggs/assert-export.h"
 )
-set_target_properties(_eggs_assert PROPERTIES EXPORT_NAME Assert)
-target_compile_features(_eggs_assert PUBLIC cxx_std_23)
+get_target_property(_eggs_assert_type _eggs_assert TYPE)
+if(_eggs_assert_type STREQUAL "STATIC_LIBRARY")
+    target_compile_definitions(_eggs_assert PUBLIC EGGS_ASSERT_STATIC_DEFINE)
+endif()
 
 include(Cxx23Stacktrace)
 target_link_libraries(_eggs_assert PUBLIC ${EGGS_CXX23_STACKTRACE_LIB})

include/eggs/assert.h

@@ -18,12 +18,14 @@
 
 #else
 
+#    include <eggs/assert-export.h>
+
 #    ifdef __cplusplus
-extern "C" [[noreturn]] void eggs_assert_failed(
+extern "C" [[noreturn]] EGGS_ASSERT_EXPORT void eggs_assert_failed(
     char const* message, char const* file, unsigned line, char const* function
 );
 #    else
-_Noreturn void eggs_assert_failed(
+EGGS_ASSERT_EXPORT _Noreturn void eggs_assert_failed(
     char const* message, char const* file, unsigned line, char const* function
 );
 #    endif

src/assert.cpp

@@ -5,6 +5,7 @@
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
+#include <eggs/assert-export.h>
 #include <eggs/assert.h>
 
 #include <cstdio>
@@ -29,7 +30,7 @@ void println(std::format_string<Args...> fmt, Args&&... args)
 
 } // namespace
 
-extern "C" [[noreturn]] void eggs_assert_failed(
+extern "C" [[noreturn]] EGGS_ASSERT_EXPORT void eggs_assert_failed(
     char const* message, char const* file, unsigned line, char const* function
 )
 {

test/cmake-find_package/CMakeLists.txt

@@ -25,12 +25,14 @@ if(_assert_type STREQUAL "SHARED_LIBRARY")
         add_custom_command(
             TARGET consumer_verify
             POST_BUILD
-            COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_FILE:Eggs::Assert>
-                    $<TARGET_FILE_DIR:consumer_verify>
+            COMMAND
+                ${CMAKE_COMMAND} -E copy_if_different
+                $<TARGET_FILE:Eggs::Assert> $<TARGET_FILE_DIR:consumer_verify>
         )
     else()
         set_target_properties(
-            consumer_verify PROPERTIES BUILD_RPATH "$<TARGET_FILE_DIR:Eggs::Assert>"
+            consumer_verify
+            PROPERTIES BUILD_RPATH "$<TARGET_FILE_DIR:Eggs::Assert>"
         )
     endif()
 endif()