[PATCH] cli: prefer detected python executable instead of harcoded one

[Laurent Carlier]

In ArchLinux, python means python3
---
 cli/CMakeLists.txt      | 1 +
 cli/cli_diff.cpp        | 4 ++--
 cli/cli_diff_images.cpp | 4 ++--
 cli/cli_diff_state.cpp  | 4 ++--
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/cli/CMakeLists.txt b/cli/CMakeLists.txt
index f1b71c1..e299b91 100644
--- a/cli/CMakeLists.txt
+++ b/cli/CMakeLists.txt
@@ -7,6 +7,7 @@ add_definitions(
     -DAPITRACE_PROGRAMS_INSTALL_DIR="${CMAKE_INSTALL_PREFIX}/bin"
     -DAPITRACE_SCRIPTS_INSTALL_DIR="${CMAKE_INSTALL_PREFIX}/${SCRIPTS_INSTALL_DIR}"
     -DAPITRACE_WRAPPERS_INSTALL_DIR="${CMAKE_INSTALL_PREFIX}/${WRAPPER_INSTALL_DIR}"
+    -DAPITRACE_PYTHON_EXECUTABLE="${PYTHON_EXECUTABLE}"
 )
 
 add_executable (apitrace
diff --git a/cli/cli_diff.cpp b/cli/cli_diff.cpp
index 6aec76f..daeccd3 100644
--- a/cli/cli_diff.cpp
+++ b/cli/cli_diff.cpp
@@ -47,7 +47,7 @@ usage(void)
     os::String command = find_command();
 
     char *args[4];
-    args[0] = (char *) "python";
+    args[0] = (char *) APITRACE_PYTHON_EXECUTABLE;
     args[1] = (char *) command.str();
     args[2] = (char *) "--help";
     args[3] = NULL;
@@ -65,7 +65,7 @@ command(int argc, char *argv[])
     os::String apitracePath = os::getProcessName();
 
     std::vector<const char *> args;
-    args.push_back("python");
+    args.push_back(APITRACE_PYTHON_EXECUTABLE);
     args.push_back(command.str());
     args.push_back("--apitrace");
     args.push_back(apitracePath.str());
diff --git a/cli/cli_diff_images.cpp b/cli/cli_diff_images.cpp
index 87678bf..54523cd 100644
--- a/cli/cli_diff_images.cpp
+++ b/cli/cli_diff_images.cpp
@@ -47,7 +47,7 @@ usage(void)
     os::String command = find_command();
 
     char *args[4];
-    args[0] = (char *) "python";
+    args[0] = (char *) APITRACE_PYTHON_EXECUTABLE;
     args[1] = (char *) command.str();
     args[2] = (char *) "--help";
     args[3] = NULL;
@@ -63,7 +63,7 @@ command(int argc, char *argv[])
     os::String command = find_command();
 
     std::vector<const char *> args;
-    args.push_back("python");
+    args.push_back(APITRACE_PYTHON_EXECUTABLE);
     args.push_back(command.str());
     for (i = 1; i < argc; i++) {
         args.push_back(argv[i]);
diff --git a/cli/cli_diff_state.cpp b/cli/cli_diff_state.cpp
index 952efa9..0488e77 100644
--- a/cli/cli_diff_state.cpp
+++ b/cli/cli_diff_state.cpp
@@ -47,7 +47,7 @@ usage(void)
     os::String command = find_command();
 
     char *args[4];
-    args[0] = (char *) "python";
+    args[0] = (char *) APITRACE_PYTHON_EXECUTABLE;
     args[1] = (char *) command.str();
     args[2] = (char *) "--help";
     args[3] = NULL;
@@ -63,7 +63,7 @@ command(int argc, char *argv[])
     os::String command = find_command();
 
     std::vector<const char *> args;
-    args.push_back("python");
+    args.push_back(APITRACE_PYTHON_EXECUTABLE);
     args.push_back(command.str());
     for (i = 1; i < argc; i++) {
         args.push_back(argv[i]);
-- 
2.0.3