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check for protobuf..

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git-svn-id: https://protobuf-c.googlecode.com/svn/trunk@168 00440858-1255-0410-a3e6-75ea37f81c3a
This commit is contained in:
lahiker42 2009-03-04 22:12:52 +00:00
parent 6a95f7b765
commit 74d76532c7
1 changed files with 24 additions and 0 deletions
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24
configure.ac
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@ -9,6 +9,30 @@ AC_PROG_LIBTOOL
AC_PATH_PROG(PROTOC, protoc) AC_PATH_PROG(PROTOC, protoc)
AC_CHECK_HEADERS(inttypes.h) AC_CHECK_HEADERS(inttypes.h)
# Check for the protobuf library.
AC_LANG_PUSH([C++])
AC_CHECK_HEADER(google/protobuf/stubs/common.h,,
[AC_MSG_ERROR([
ERROR: protobuf headers are required.
You must either install protobuf from google,
or if you have it installed in a custom location
you must add '-Iincludedir' to CXXFLAGS
and '-Llibdir' to LDFLAGS.
])])
pbc_savelibs="$LIBS"
LIBS="$LIBS -lprotoc"
AC_TRY_LINK([#include <google/protobuf/compiler/command_line_interface.h>],
[google::protobuf::compiler::CommandLineInterface cli;],
[],
[AC_MSG_ERROR([
ERROR:
protobuf test program failed to link:
perhaps you need to add -Llibdir to your LDFLAGS.])])
LIBS="$pbc_savelibs"
AC_LANG_POP()
dnl ------ define IS_LITTLE_ENDIAN ------ dnl ------ define IS_LITTLE_ENDIAN ------
knows_endianness=0 knows_endianness=0
AC_CHECK_HEADERS([endian.h], [has_endian_h=1; knows_endianness=1], [has_endian_h=0]) AC_CHECK_HEADERS([endian.h], [has_endian_h=1; knows_endianness=1], [has_endian_h=0])