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Use a guard to prevent dependency on pkg-config when it is not available

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I picked the methodology off of https://github.com/curl/curl/issues/972.
The benefit here is that if someone does not have pkg-config (we know this
is unlikely anyways), their configuration script just won't end up with the
checks.

This provides a patch similar to the one requested in issue #120.
This commit is contained in:
Martin Kennedy 2019-04-03 17:01:42 -04:00 committed by Alberto Fanjul
parent 59df9a4a3f
commit 960a785e10
1 changed files with 8 additions and 4 deletions
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12
configure.ac
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@ -45,8 +45,10 @@ AC_ARG_ENABLE([log-debug],
# Mandatory dependencies
#
PKG_CHECK_MODULES([DEPS], [libudev libsystemd > 219])
PKG_CHECK_MODULES([GLIB], [glib-2.0])
m4_ifdef([PKG_CHECK_MODULES], [
PKG_CHECK_MODULES([DEPS], [libudev libsystemd > 219])
PKG_CHECK_MODULES([GLIB], [glib-2.0])
])
AC_CHECK_HEADERS(readline/readline.h,, AC_MSG_ERROR(GNU readline not found))
@ -55,8 +57,10 @@ AC_CHECK_HEADERS(readline/readline.h,, AC_MSG_ERROR(GNU readline not found))
# all tests.
#
PKG_CHECK_MODULES([CHECK], [check],
[have_check=yes], [have_check=no])
m4_ifdef([PKG_CHECK_MODULES], [
PKG_CHECK_MODULES([CHECK], [check],
[have_check=yes], [have_check=no])
])
AM_CONDITIONAL([BUILD_HAVE_CHECK], [test "x$have_check" = "xyes"])
if test "x$have_check" = "xyes"