From 2744092b277b41ebc15d24b3293ecccbfa5d1237 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jose.r.fonseca@gmail.com>
Date: Tue, 1 Nov 2011 08:27:12 +0000
Subject: [PATCH] Expose build/install dirs as a define.

Also, pick a wrapper install dir that varies with architecture, to allow
tracing of multiple binaries on multiarch.
---
 CMakeLists.txt       | 54 ++++++++++++++++++++++++++++++++------------
 gui/CMakeLists.txt   |  2 --
 gui/retracer.cpp     |  2 +-
 gui/traceprocess.cpp | 16 ++++++-------
 4 files changed, 49 insertions(+), 25 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ea59d5..19eb813 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -180,6 +180,37 @@ endif ()
 include_directories (${CMAKE_CURRENT_SOURCE_DIR}/thirdparty)
 
 
+##############################################################################
+# Installation directories
+
+if (WIN32 OR APPLE)
+    # On Windows/MacOSX, applications are usually installed on a directory of
+    # their own
+    set (DOC_INSTALL_DIR doc)
+else ()
+    set (DOC_INSTALL_DIR share/doc/${CMAKE_PROJECT_NAME})
+endif ()
+
+if (APPLE)
+    # MacOSX uses fat binaries, so no need to have per-architecture wrapper
+    # directories
+    set (WRAPPER_INSTALL_DIR lib/apitrace)
+else ()
+    set (WRAPPER_INSTALL_DIR lib/apitrace/${CMAKE_SYSTEM_PROCESSOR})
+endif ()
+
+# Expose the binary/install directories to source
+#
+# TODO: Use the same directory layout, for both build and install directories,
+# so that binaries can find each other using just relative paths.
+#
+add_definitions(
+    -DAPITRACE_BINARY_DIR="${CMAKE_BINARY_DIR}"
+    -DAPITRACE_INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}"
+    -DAPITRACE_WRAPPER_INSTALL_DIR="${CMAKE_INSTALL_PREFIX}/${WRAPPER_INSTALL_DIR}"
+)
+
+
 ##############################################################################
 # Common libraries / utilities
 
@@ -230,6 +261,7 @@ set_target_properties (common PROPERTIES
 
 link_libraries (common)
 
+
 ##############################################################################
 # API tracers
 
@@ -253,7 +285,7 @@ if (WIN32)
             RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
             LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
         )
-        install (TARGETS ddraw LIBRARY DESTINATION wrappers)
+        install (TARGETS ddraw LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
     endif (DirectX_D3D_INCLUDE_DIR)
 
     # d3d8.dll
@@ -270,7 +302,7 @@ if (WIN32)
             RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
             LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
         )
-        install (TARGETS d3d8 LIBRARY DESTINATION wrappers)
+        install (TARGETS d3d8 LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
     endif (DirectX_D3D8_INCLUDE_DIR AND DirectX_D3DX9_INCLUDE_DIR)
 
     # d3d9.dll
@@ -287,7 +319,7 @@ if (WIN32)
             RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
             LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
         )
-        install (TARGETS d3d9 LIBRARY DESTINATION wrappers)
+        install (TARGETS d3d9 LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
     endif (DirectX_D3DX9_INCLUDE_DIR)
 
     # d3d10.dll
@@ -304,7 +336,7 @@ if (WIN32)
             RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
             LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
         )
-        install (TARGETS d3d10 LIBRARY DESTINATION wrappers)
+        install (TARGETS d3d10 LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
     endif (DirectX_D3D10_INCLUDE_DIR)
 
     # opengl32.dll
@@ -324,7 +356,7 @@ if (WIN32)
         RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
         LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/wrappers
     )
-    install (TARGETS wgltrace LIBRARY DESTINATION wrappers)
+    install (TARGETS wgltrace LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
 
 elseif (APPLE)
     # OpenGL framework
@@ -351,7 +383,7 @@ elseif (APPLE)
 
     target_link_libraries (cgltrace dl)
 
-    install (TARGETS cgltrace LIBRARY DESTINATION wrappers)
+    install (TARGETS cgltrace LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
 else ()
     # libGL.so
     add_custom_command (
@@ -380,7 +412,7 @@ else ()
 
     target_link_libraries (glxtrace dl ${X11_X11_LIB})
 
-    install (TARGETS glxtrace LIBRARY DESTINATION lib/apitrace)
+    install (TARGETS glxtrace LIBRARY DESTINATION ${WRAPPER_INSTALL_DIR})
 endif ()
 
 
@@ -459,12 +491,6 @@ endif ()
 ##############################################################################
 # Packaging
 
-if (WIN32 OR APPLE)
-    set (INSTALL_DOC_DESTINATION doc)
-else ()
-    set (INSTALL_DOC_DESTINATION share/doc/${CMAKE_PROJECT_NAME})
-endif ()
-
 install (
     FILES
         BUGS.markdown
@@ -472,7 +498,7 @@ install (
         NEWS.markdown
         README.markdown
         TODO.markdown
-    DESTINATION ${INSTALL_DOC_DESTINATION}
+    DESTINATION ${DOC_INSTALL_DIR}
 )
 
 set (CPACK_PACKAGE_VERSION_MAJOR "2")
diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
index 777bc92..f464cb0 100644
--- a/gui/CMakeLists.txt
+++ b/gui/CMakeLists.txt
@@ -47,8 +47,6 @@ QT4_WRAP_UI(qapitrace_UIS_H ${qapitrace_UIS})
 link_directories(${LINK_DIRECTORIES} ${QJSON_LIBRARY_DIRS})
 include_directories(${QT_INCLUDES} ${QJSON_INCLUDE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/..)
 
-add_definitions(-DBUILD_DIR="${CMAKE_BINARY_DIR}")
-
 add_executable(qapitrace ${qapitrace_SRCS} ${qapitrace_UIS_H})
 
 target_link_libraries(qapitrace common ${QJSON_LIBRARIES} ${QT_LIBRARIES} )
diff --git a/gui/retracer.cpp b/gui/retracer.cpp
index 251028c..eaa86e3 100644
--- a/gui/retracer.cpp
+++ b/gui/retracer.cpp
@@ -19,7 +19,7 @@ Retracer::Retracer(QObject *parent)
 #else
     QString format = QLatin1String("%1:");
 #endif
-    QString buildPath = format.arg(BUILD_DIR);
+    QString buildPath = format.arg(APITRACE_BINARY_DIR);
     m_processEnvironment = QProcessEnvironment::systemEnvironment();
     m_processEnvironment.insert("PATH", buildPath +
                                 m_processEnvironment.value("PATH"));
diff --git a/gui/traceprocess.cpp b/gui/traceprocess.cpp
index dcf00a7..6bdd1c4 100644
--- a/gui/traceprocess.cpp
+++ b/gui/traceprocess.cpp
@@ -8,22 +8,22 @@
 static QString
 findPreloader()
 {
-    QString libPath = QString::fromLatin1("%1/glxtrace.so")
-                      .arg(BUILD_DIR);
+    QString libPath;
+    QFileInfo fi;
 
-    QFileInfo fi(libPath);
-    if (fi.exists())
-        return libPath;
-
-    libPath = QString::fromLatin1("/usr/local/lib/apitrace/glxtrace.so");
+#ifdef APITRACE_BINARY_DIR
+    libPath = QString::fromLatin1(APITRACE_BINARY_DIR "/glxtrace.so");
     fi = QFileInfo(libPath);
     if (fi.exists())
         return libPath;
+#endif
 
-    libPath = QString::fromLatin1("/usr/lib/apitrace/glxtrace.so");
+#ifdef APITRACE_WRAPPER_INSTALL_DIR
+    libPath = QString::fromLatin1(APITRACE_WRAPPER_INSTALL_DIR "/glxtrace.so");
     fi = QFileInfo(libPath);
     if (fi.exists())
         return libPath;
+#endif
 
     return QString();
 }
-- 
2.45.2