diff mbox series

[v9,05/17] configure: require cmake 3.19 or newer

Message ID c5ddf3cc02486a0dbc965c8bebab79aa75383a4f.1651586203.git.jag.raman@oracle.com
State New
Headers show
Series vfio-user server in QEMU | expand

Commit Message

Jag Raman May 3, 2022, 2:16 p.m. UTC 
cmake needs to accept the compiler flags specified with
CMAKE_<LANG>_COMPILER variable. It does so starting with
version 3.19

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
---
 configure | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Comments

Stefan Hajnoczi May 5, 2022, 3:31 p.m. UTC | #1 
On Tue, May 03, 2022 at 10:16:46AM -0400, Jagannathan Raman wrote:
> cmake needs to accept the compiler flags specified with
> CMAKE_<LANG>_COMPILER variable. It does so starting with
> version 3.19
>
> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
> Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
> ---
>  configure | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox series

Patch

diff --git a/configure b/configure
index 59c43bea05..7cefab289d 100755
--- a/configure
+++ b/configure
@@ -249,6 +249,7 @@  stack_protector=""
 safe_stack=""
 use_containers="yes"
 gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
+cmake_required="no"
 
 if test -e "$source_path/.git"
 then
@@ -2503,6 +2504,21 @@  if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action"
     exit 1
 fi
 
+# Per cmake spec, CMAKE_<LANG>_COMPILER variable may include "mandatory" compiler
+# flags. QEMU needs to specify these flags to correctly configure the build
+# environment. cmake 3.19 allows specifying these mandatory compiler flags,
+# and as such 3.19 or newer is required to build QEMU.
+if test "$cmake_required" = "yes" ; then
+    cmake_bin=$(command -v "cmake")
+    if [ -z "$cmake_bin" ]; then
+        error_exit "cmake not found"
+    fi
+    cmake_version=$($cmake_bin --version | head -n 1)
+    if ! version_ge ${cmake_version##* } 3.19; then
+        error_exit "QEMU needs cmake 3.19 or newer"
+    fi
+fi
+
 config_host_mak="config-host.mak"
 
 echo "# Automatically generated by configure - do not modify" > $config_host_mak