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[PATCH v2 2/2] configure: Check bzip2 is available

From: Philippe Mathieu-Daudé
Subject: [PATCH v2 2/2] configure: Check bzip2 is available
Date: Fri, 8 Nov 2019 12:45:31 +0100

The bzip2 tool is not included in default installations.
On freshly installed systems, ./configure succeeds but 'make'
might fail later:

    BUNZIP2 pc-bios/edk2-i386-secure-code.fd.bz2
  /bin/sh: bzip2: command not found
  make: *** [Makefile:305: pc-bios/edk2-i386-secure-code.fd] Error 127
  make: *** Deleting file 'pc-bios/edk2-i386-secure-code.fd'
  make: *** Waiting for unfinished jobs....

Add a check in ./configure to warn the user if bzip2 is missing.

Fixes: 536d2173b2b
Reported-by: Thomas Huth <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
v2: use better English (Daniel)
(Not taking Daniel Reviewed-by because logic changed)
 configure | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure b/configure
index 9b322284c3..2b419a8039 100755
--- a/configure
+++ b/configure
@@ -2147,6 +2147,7 @@ case " $target_list " in
+# Some firmware binaries are compressed with bzip2
 for target in $target_list; do
   case "$target" in
     arm-softmmu | aarch64-softmmu | i386-softmmu | x86_64-softmmu)
@@ -2154,6 +2155,9 @@ for target in $target_list; do
+if test "$edk2_blobs" = "yes" && ! has bzip2; then
+  error_exit "The bzip2 program is required for building QEMU"
 feature_not_found() {

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