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build: Print an error message if zlib is not installed.

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* configure.ac (missing_zlib): New.
This commit is contained in:
Werner Koch 2014-08-26 16:13:21 +02:00
parent c45b9819e8
commit d91db67e51
1 changed files with 15 additions and 1 deletions
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16
configure.ac
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@ -1208,6 +1208,7 @@ AM_CONDITIONAL(DISABLE_REGEX, test x"$use_regex" != xyes)
# when compiling a conftest (due to the "-lz" from LIBS). # when compiling a conftest (due to the "-lz" from LIBS).
# Note that we combine zlib and bzlib2 in ZLIBS. # Note that we combine zlib and bzlib2 in ZLIBS.
# #
missing_zlib=yes
_cppflags="${CPPFLAGS}" _cppflags="${CPPFLAGS}"
_ldflags="${LDFLAGS}" _ldflags="${LDFLAGS}"
AC_ARG_WITH(zlib, AC_ARG_WITH(zlib,
@ -1220,7 +1221,10 @@ AC_ARG_WITH(zlib,
AC_CHECK_HEADER(zlib.h, AC_CHECK_HEADER(zlib.h,
AC_CHECK_LIB(z, deflateInit2_, AC_CHECK_LIB(z, deflateInit2_,
ZLIBS="-lz", [
ZLIBS="-lz"
missing_zlib=no
],
CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}), CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}) CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags})
@ -1529,6 +1533,16 @@ if test "$missing_pth" = "yes"; then
***]]) ***]])
die=yes die=yes
fi fi
if test "$missing_zlib" = "yes"; then
AC_MSG_NOTICE([[
***
*** The zlib compression library is required.
*** Please install a suitable development package
*** (e.g. Debian package zlib1g-dev) or download
*** it from http://zlib.net and build yourself.
***]])
die=yes
fi
if test "$missing_iconv" = "yes"; then if test "$missing_iconv" = "yes"; then
AC_MSG_NOTICE([[ AC_MSG_NOTICE([[
*** ***