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id = 1414
title = "Configure script fix for glib version"
state = "closed"
created_at = "2023-01-04T17:29:31.786Z"
closed_at = "2023-01-12T15:42:19.269Z"
labels = ["Build System"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1414"
host-os = "Linux / any"
host-arch = "n/a"
qemu-version = "7.2.0"
guest-os = "n/a"
guest-arch = "n/a"
description = """Script "configure" uses "pkg-config" directly, at line 2420: https://gitlab.com/qemu-project/qemu/-/blob/f9f0e6173e1d570847930abfe2b4560c7b6a964a/configure#L2420
Because of it, GLIB_VERSION in "config-host.mak" can be taken from host system, under some circumstances (if PKG_CONFIG_PATH is not defined).
In case of cross-compilation, "**$pkg_config**" should be used instead of "pkg-config", to use pkg-config from cross-compilation toolchain and to take GLIB_VERSION of cross-compiled glib (as it is **correctly used at line 1476**: https://gitlab.com/qemu-project/qemu/-/blob/f9f0e6173e1d570847930abfe2b4560c7b6a964a/configure#L1476 )."""
reproduce = """1. Do not define PKG_CONFIG_PATH environment variable, use PKG_CONFIG variable instead.
2. Try to ./configure with cross-compiled glib.
3. GLIB_VERSION in config-host.mak will be from host glib."""
additional = """Change lihe 2420:<br>
https://gitlab.com/qemu-project/qemu/-/blob/f9f0e6173e1d570847930abfe2b4560c7b6a964a/configure#L2420
<br>
echo "GLIB_VERSION=$(**pkg-config** --modversion glib-2.0)" >> $config_host_mak
<br>to:<br>
echo "GLIB_VERSION=$(**\\$pkg_config** --modversion glib-2.0)" >> $config_host_mak
P.s. Sorry for posting the patch here, GitLab requires signing with a key to push the commit, it's too complicated to post 2-bytes fix."""
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