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-rw-r--r--Modules/GNUInstallDirs.cmake10
-rw-r--r--Tests/RunCMake/GNUInstallDirs/Root-Debian-stderr.txt4
-rw-r--r--Tests/RunCMake/GNUInstallDirs/UsrLocal-Debian-stderr.txt4
3 files changed, 11 insertions, 7 deletions
diff --git a/Modules/GNUInstallDirs.cmake b/Modules/GNUInstallDirs.cmake
index 6ca424a..489c233 100644
--- a/Modules/GNUInstallDirs.cmake
+++ b/Modules/GNUInstallDirs.cmake
@@ -52,8 +52,10 @@ where ``<dir>`` is one of:
.. versionadded:: 3.9
run-time variable data (``LOCALSTATEDIR/run``)
``LIBDIR``
- object code libraries (``lib`` or ``lib64``
- or ``lib/<multiarch-tuple>`` on Debian)
+ object code libraries (``lib`` or ``lib64``)
+
+ On Debian, this may be ``lib/<multiarch-tuple>`` when
+ :variable:`CMAKE_INSTALL_PREFIX` is ``/``, ``/usr``, or ``/usr/local``.
``INCLUDEDIR``
C header files (``include``)
``OLDINCLUDEDIR``
@@ -269,7 +271,9 @@ if(NOT DEFINED CMAKE_INSTALL_LIBDIR OR (_libdir_set
if(__system_type_for_install STREQUAL "debian")
if(CMAKE_LIBRARY_ARCHITECTURE)
- if("${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/?$")
+ if("${CMAKE_INSTALL_PREFIX}" STREQUAL "/"
+ OR "${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/?$"
+ OR "${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr/local/?$")
set(_LIBDIR_DEFAULT "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
endif()
if(DEFINED _GNUInstallDirs_LAST_CMAKE_INSTALL_PREFIX
diff --git a/Tests/RunCMake/GNUInstallDirs/Root-Debian-stderr.txt b/Tests/RunCMake/GNUInstallDirs/Root-Debian-stderr.txt
index 25f80d3..2019459 100644
--- a/Tests/RunCMake/GNUInstallDirs/Root-Debian-stderr.txt
+++ b/Tests/RunCMake/GNUInstallDirs/Root-Debian-stderr.txt
@@ -4,7 +4,7 @@ CMAKE_INSTALL_DATAROOTDIR='usr/share'
CMAKE_INSTALL_DOCDIR='usr/share/doc/Root'
CMAKE_INSTALL_INCLUDEDIR='usr/include'
CMAKE_INSTALL_INFODIR='usr/share/info'
-CMAKE_INSTALL_LIBDIR='usr/lib'
+CMAKE_INSTALL_LIBDIR='usr/lib/arch'
CMAKE_INSTALL_LIBEXECDIR='usr/libexec'
CMAKE_INSTALL_LOCALEDIR='usr/share/locale'
CMAKE_INSTALL_LOCALSTATEDIR='var'
@@ -19,7 +19,7 @@ CMAKE_INSTALL_FULL_DATAROOTDIR='/usr/share'
CMAKE_INSTALL_FULL_DOCDIR='/usr/share/doc/Root'
CMAKE_INSTALL_FULL_INCLUDEDIR='/usr/include'
CMAKE_INSTALL_FULL_INFODIR='/usr/share/info'
-CMAKE_INSTALL_FULL_LIBDIR='/usr/lib'
+CMAKE_INSTALL_FULL_LIBDIR='/usr/lib/arch'
CMAKE_INSTALL_FULL_LIBEXECDIR='/usr/libexec'
CMAKE_INSTALL_FULL_LOCALEDIR='/usr/share/locale'
CMAKE_INSTALL_FULL_LOCALSTATEDIR='/var'
diff --git a/Tests/RunCMake/GNUInstallDirs/UsrLocal-Debian-stderr.txt b/Tests/RunCMake/GNUInstallDirs/UsrLocal-Debian-stderr.txt
index 30795c8..0830138 100644
--- a/Tests/RunCMake/GNUInstallDirs/UsrLocal-Debian-stderr.txt
+++ b/Tests/RunCMake/GNUInstallDirs/UsrLocal-Debian-stderr.txt
@@ -4,7 +4,7 @@ CMAKE_INSTALL_DATAROOTDIR='share'
CMAKE_INSTALL_DOCDIR='share/doc/UsrLocal'
CMAKE_INSTALL_INCLUDEDIR='include'
CMAKE_INSTALL_INFODIR='share/info'
-CMAKE_INSTALL_LIBDIR='lib'
+CMAKE_INSTALL_LIBDIR='lib/arch'
CMAKE_INSTALL_LIBEXECDIR='libexec'
CMAKE_INSTALL_LOCALEDIR='share/locale'
CMAKE_INSTALL_LOCALSTATEDIR='var'
@@ -19,7 +19,7 @@ CMAKE_INSTALL_FULL_DATAROOTDIR='/usr/local/share'
CMAKE_INSTALL_FULL_DOCDIR='/usr/local/share/doc/UsrLocal'
CMAKE_INSTALL_FULL_INCLUDEDIR='/usr/local/include'
CMAKE_INSTALL_FULL_INFODIR='/usr/local/share/info'
-CMAKE_INSTALL_FULL_LIBDIR='/usr/local/lib'
+CMAKE_INSTALL_FULL_LIBDIR='/usr/local/lib/arch'
CMAKE_INSTALL_FULL_LIBEXECDIR='/usr/local/libexec'
CMAKE_INSTALL_FULL_LOCALEDIR='/usr/local/share/locale'
CMAKE_INSTALL_FULL_LOCALSTATEDIR='/usr/local/var'