CMake: Check for ptsname_r() again

[apt.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e85e7b8401c19124ac6e020f5fb24422662f5c2..7e432bca3932cbca1d2e4406efe20bce7809c66e 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 
 # set minimum version
 project(apt)
-cmake_minimum_required(VERSION 3.3.0)
+cmake_minimum_required(VERSION 3.4.0)
 
 enable_testing()
 
@@ -102,6 +102,7 @@ check_function_exists(getresuid HAVE_GETRESUID)
 check_function_exists(getresgid HAVE_GETRESGID)
 check_function_exists(setresuid HAVE_SETRESUID)
 check_function_exists(setresgid HAVE_SETRESGID)
+check_function_exists(ptsname_r HAVE_PTSNAME_R)
 check_function_exists(timegm HAVE_TIMEGM)
 test_big_endian(WORDS_BIGENDIAN)
 
@@ -113,10 +114,14 @@ endif()
 set(PACKAGE ${PROJECT_NAME})
 set(PACKAGE_MAIL "APT Development Team <deity@lists.debian.org>")
 
-execute_process(COMMAND dpkg-parsechangelog -SVersion -l${PROJECT_SOURCE_DIR}/debian/changelog
-                OUTPUT_VARIABLE PACKAGE_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-execute_process(COMMAND dpkg-architecture -qDEB_HOST_ARCH
-                OUTPUT_VARIABLE COMMON_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
+if (NOT DEFINED PACKAGE_VERSION)
+  execute_process(COMMAND dpkg-parsechangelog -SVersion -l${PROJECT_SOURCE_DIR}/debian/changelog
+                  OUTPUT_VARIABLE PACKAGE_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+endif()
+if (NOT DEFINED COMMON_ARCH)
+  execute_process(COMMAND dpkg-architecture -qDEB_HOST_ARCH
+                  OUTPUT_VARIABLE COMMON_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
+endif()
 
 # Configure our configuration headers (config.h and apti18n.h)
 configure_file(CMake/config.h.in ${PROJECT_BINARY_DIR}/include/config.h)