Re: Cirrus CI for msys2 are working now, but still buiding failed

[Paolo Bonzini <pbonzini@redhat.com>]

On 02/09/20 12:38, Thomas Huth wrote:
> Wow, that looks quite promising already! But I wonder why the build
> system is trying to link libfdt to targets like qemu-system-avr that do
> not need it?
> And for the targets that need fdt, it should use the dtc submodule... I
> can see in the log that the dtc submodule is checked out, but it does
> not seem to be compiled ? As a test, could you please try to run
> "configure" with "--disable-fdt" there?

Mark and Yonggang have reported an issue where the linker gets
an msys path like -L/e/qemu/dtc but it wants -LE:/qemu/dtc instead.
But fortunately we can just use -Ldtc instead, which would be a patch like

diff --git a/configure b/configure
index 56ceca2f68..34e81a7b60 100755
--- a/configure
+++ b/configure
@@ -943,7 +943,7 @@ Linux)
   linux="yes"
   linux_user="yes"
   kvm="yes"
-  QEMU_INCLUDES="-isystem ${source_path}/linux-headers -I$PWD/linux-headers $QEMU_INCLUDES"
+  QEMU_INCLUDES="-isystem ${source_path}/linux-headers -Ilinux-headers $QEMU_INCLUDES"
   libudev="yes"
 ;;
 esac
@@ -4259,7 +4259,7 @@ EOF
               symlink "$source_path/dtc/Makefile" "dtc/Makefile"
           fi
           fdt_cflags="-I${source_path}/dtc/libfdt"
-          fdt_ldflags="-L$PWD/dtc/libfdt"
+          fdt_ldflags="-Ldtc/libfdt"
           fdt_libs="$fdt_libs"
       elif test "$fdt" = "yes" ; then
           # Not a git build & no libfdt found, prompt for system install
@@ -5244,7 +5244,7 @@ case "$capstone" in
     else
       LIBCAPSTONE=libcapstone.a
     fi
-    capstone_libs="-L$PWD/capstone -lcapstone"
+    capstone_libs="-Lcapstone -lcapstone"
     capstone_cflags="-I${source_path}/capstone/include"
     ;;
 
@@ -6244,8 +6244,8 @@ case "$slirp" in
       git_submodules="${git_submodules} slirp"
     fi
     mkdir -p slirp
-    slirp_cflags="-I${source_path}/slirp/src -I$PWD/slirp/src"
-    slirp_libs="-L$PWD/slirp -lslirp"
+    slirp_cflags="-I${source_path}/slirp/src -Islirp/src"
+    slirp_libs="-Lslirp -lslirp"
     if test "$mingw32" = "yes" ; then
       slirp_libs="$slirp_libs -lws2_32 -liphlpapi"
     fi

Paolo