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m4/virt-lib: add new parameter to override default fail action

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This allows to use two or more LIBVIRT_CHECK_(LIB|LIB_ALT|PKG) macros
for one library.  For example, when we check for existence of
pgk-config file of some library and we know that not all versions of
that library that libvirt requires provides this file, we can fallback
to use library check.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2016-11-12 00:13:30 +01:00
parent eeccee1870
commit 4565980313
1 changed files with 22 additions and 6 deletions
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28
m4/virt-lib.m4
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@ -24,7 +24,8 @@ dnl config header var, WITH_XXXX make conditional and
dnl with_XXX configure shell var.
dnl
dnl LIBVIRT_CHECK_LIB([CHECK_NAME], [LIBRARY_NAME],
dnl [FUNCTION_NAME], [HEADER_NAME])
dnl [FUNCTION_NAME], [HEADER_NAME],
dnl [FAIL_ACTION])
dnl
dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
dnl Used to set
@ -37,6 +38,8 @@ dnl
dnl LIBRARY_NAME: base name of library to check for eg libXXX.so
dnl FUNCTION_NAME: function to check for in libXXX.so
dnl HEADER_NAME: header file to check for
dnl FAIL_ACTION: overrides the default fail action
dnl
dnl
dnl e.g.
dnl
@ -52,6 +55,7 @@ AC_DEFUN([LIBVIRT_CHECK_LIB],[
m4_pushdef([library_name], [$2])
m4_pushdef([function_name], [$3])
m4_pushdef([header_name], [$4])
m4_pushdef([fail_action], [$5])
m4_pushdef([check_name_lc], m4_tolower(check_name))
@ -96,7 +100,8 @@ AC_DEFUN([LIBVIRT_CHECK_LIB],[
CFLAGS=$old_CFLAGS
if test $fail = 1; then
AC_MSG_ERROR([You must install the lib]library_name[ library & headers to compile libvirt])
m4_default(fail_action,
[AC_MSG_ERROR([You must install the lib]library_name[ library & headers to compile libvirt])])
else
if test "x$with_var" = "xyes" ; then
if test "x$libs_var" = 'x' ; then
@ -121,6 +126,7 @@ AC_DEFUN([LIBVIRT_CHECK_LIB],[
m4_popdef([check_name_lc])
m4_popdef([fail_action])
m4_popdef([header_name])
m4_popdef([function_name])
m4_popdef([library_name])
@ -134,7 +140,8 @@ dnl
dnl LIBVIRT_CHECK_LIB_ALT([CHECK_NAME], [LIBRARY_NAME],
dnl [FUNCTION_NAME], [HEADER_NAME],
dnl [CHECK_NAME_ALT, [LIBRARY_NAME_ALT],
dnl [FUNCTION_NAME_ALT], [HEADER_NAME_ALT])
dnl [FUNCTION_NAME_ALT], [HEADER_NAME_ALT],
dnl [FAIL_ACTION])
dnl
dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
dnl Used to set
@ -156,6 +163,7 @@ dnl NB all vars for CHECK_NAME are also set
dnl LIBRARY_NAME_ALT: alternative library name to check for
dnl FUNCTION_NAME_ALT: alternative function name to check for
dnl HEADER_NAME_ALT: alternative header file to check for
dnl FAIL_ACTION: overrides the default fail action
dnl
dnl e.g.
dnl
@ -173,6 +181,7 @@ AC_DEFUN([LIBVIRT_CHECK_LIB_ALT],[
m4_pushdef([library_name_alt], [$6])
m4_pushdef([function_name_alt], [$7])
m4_pushdef([header_name_alt], [$8])
m4_pushdef([fail_action], [$9])
m4_pushdef([check_name_lc], m4_tolower(check_name))
@ -228,7 +237,8 @@ AC_DEFUN([LIBVIRT_CHECK_LIB_ALT],[
CFLAGS=$old_CFLAGS
if test $fail = 1; then
AC_MSG_ERROR([You must install the lib]library_name[ library & headers to compile libvirt])
m4_default(fail_action,
[AC_MSG_ERROR([You must install the lib]library_name[ library & headers to compile libvirt])])
else
if test "x$with_var" = "xyes" ; then
if test "x$libs_var" = 'x' ; then
@ -260,6 +270,7 @@ AC_DEFUN([LIBVIRT_CHECK_LIB_ALT],[
m4_popdef([check_name_lc])
m4_popdef([fail_action])
m4_popdef([header_name_alt])
m4_popdef([function_name_alt])
m4_popdef([library_name_alt])
@ -274,7 +285,8 @@ dnl Probe for existence of libXXXX and set WITH_XXX
dnl config header var, WITH_XXXX make conditional and
dnl with_XXX configure shell var.
dnl
dnl LIBVIRT_CHECK_PKG([CHECK_NAME], [PC_NAME], [PC_VERSION])
dnl LIBVIRT_CHECK_PKG([CHECK_NAME], [PC_NAME], [PC_VERSION],
dnl [FAIL_ACTION])
dnl
dnl CHECK_NAME: Suffix/prefix used for variables / flags, in uppercase.
dnl Used to set
@ -285,6 +297,7 @@ dnl configure: --with-xxx argument
dnl configure: with_xxx variable
dnl PC_NAME: Name of the pkg-config module
dnl PC_VERSION: Version of the pkg-config module
dnl FAIL_ACTION: overrides the default fail action
dnl
dnl eg
dnl
@ -294,6 +307,7 @@ AC_DEFUN([LIBVIRT_CHECK_PKG],[
m4_pushdef([check_name], [$1])
m4_pushdef([pc_name], [$2])
m4_pushdef([pc_version], [$3])
m4_pushdef([fail_action], [$4])
m4_pushdef([check_name_lc], m4_tolower(check_name))
@ -316,7 +330,8 @@ AC_DEFUN([LIBVIRT_CHECK_PKG],[
fi
if test $fail = 1; then
AC_MSG_ERROR([You must install the ]pc_name[ >= ]pc_version[ pkg-config module to compile libvirt])
m4_default(fail_action,
[AC_MSG_ERROR([You must install the ]pc_name[ >= ]pc_version[ pkg-config module to compile libvirt])])
fi
if test "x$with_var" = "xyes" ; then
@ -333,6 +348,7 @@ AC_DEFUN([LIBVIRT_CHECK_PKG],[
m4_popdef([check_name_lc])
m4_popdef([fail_action])
m4_popdef([pc_version])
m4_popdef([pc_name])
m4_popdef([check_name])