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pkg.m4.in: PKG_CHECK_MODULES provides modversion

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Projects using PKG_CHECK_MODULES wants to add compilation information to
their binaries, as part of the compilation information the projects
wants to disclose dependency versions. Currently, the projects have to
resolve dependency versions themselves when using pkg-config.

With this patch PKG_CHECK_MODULES now defines a $PKG_VERSION variable
that represents `--modversion`.
This commit is contained in:
Mattias Hansson 2021-09-30 10:41:01 +02:00 • committed by Mattias Hansson
parent d97db4fae4
commit d3d14fd4a2
1 changed files with 2 additions and 0 deletions
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pkg.m4.in
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@ -146,6 +146,7 @@ AC_MSG_CHECKING([for $2])
_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
_PKG_CONFIG([$1][_LIBS], [libs], [$2])
_PKG_CONFIG([$1][_VERSION], [modversion], [$2])
m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
and $1[]_LIBS to avoid the need to call pkg-config.
@ -186,6 +187,7 @@ To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
else
$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
$1[]_VERSION=$pkg_cv_[]$1[]_VERSION
AC_MSG_RESULT([yes])
$3
fi[]dnl