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.ufimts...@oracle.com>
Signed-off-by: John G Johnson <john.g.john...@oracle.com>
Signed-off-by: Jagannathan Raman <jag.ra...@oracle.com>
---
configure | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/configure b/configure
index 7c08c18358..7a1a98bddf 100755
--- a/configure
+++ b/configure
@@ -250,6 +250,7 @@ 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
@@ -2777,6 +2778,21 @@ 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
--
2.20.1
