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freetdm: use m4_ifdef() to check for pkg-config macros and print a warning if they are not available

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...instead of failing at runtime

Signed-off-by: Stefan Knoblich <s.knoblich@axsentis.de>
This commit is contained in:
Stefan Knoblich 2010-11-18 23:14:46 +01:00
parent ad7c7f1323
commit d4138959b2
1 changed files with 41 additions and 33 deletions
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14
libs/freetdm/configure.ac
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@ -24,7 +24,12 @@ AC_PROG_MAKE_SET
AM_PROG_CC_C_O
AC_PROG_LIBTOOL
AC_PROG_INSTALL
PKG_PROG_PKG_CONFIG
# NOTE: pkg-config is used to detect libisdn
m4_ifdef([PKG_PROG_PKG_CONFIG],
[PKG_PROG_PKG_CONFIG],
[AC_MSG_WARN([pkg-config missing (required for libisdn detection)])]
)
AX_COMPILER_VENDOR
@ -305,7 +310,8 @@ AC_ARG_WITH([libisdn],
if test "${with_libisdn}" != "no"
then
AC_MSG_RESULT([${as_nl}<<>> ftmod_isdn (libisdn stack)])
PKG_CHECK_MODULES([libisdn],
m4_ifdef([PKG_CHECK_MODULES],
[PKG_CHECK_MODULES([libisdn],
[libisdn >= 0.0.1],
[AC_MSG_CHECKING([libisdn version])
LIBISDN_VERSION="`${PKG_CONFIG} --modversion libisdn`"
@ -339,7 +345,9 @@ then
],
[AC_MSG_ERROR([Need libisdn-0.0.1 or higher])]
)
AX_LIB_PCAP
AX_LIB_PCAP],
[AC_MSG_WARN([pkg-config missing (required for libisdn detection)])]
)
fi
AM_CONDITIONAL([HAVE_LIBISDN], [test "${HAVE_LIBISDN}" = "yes"])