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configure.ac: check for a libprotoc header file

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it's possible for the <google/protobuf/compiler/> header files to be
shipped in a separate package (e.g., debian's libprotoc-dev). check for
this at configure time rather than allowing the build process to fail.
This commit is contained in:
Robert Edmonds 2014-03-24 19:04:15 -04:00
parent 9c7f8ce798
commit 16e3465d21
1 changed files with 4 additions and 1 deletions
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5
configure.ac
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@ -39,8 +39,11 @@ AM_CONDITIONAL([DOXYGEN_TARGET], [test "x$has_doxygen" = "xyes"])
AC_ARG_ENABLE([protoc],
AS_HELP_STRING([--disable-protoc], [Disable building protoc_c (also disables tests)]))
if test "x$enable_protoc" != "xno"; then
PKG_CHECK_MODULES([protobuf], [protobuf])
AC_LANG_PUSH([C++])
PKG_CHECK_MODULES([protobuf], [protobuf])
AC_CHECK_HEADERS([google/protobuf/compiler/command_line_interface.h],
[],
[AC_MSG_ERROR([required protobuf header file not found])])
AC_PATH_PROG(PROTOC, protoc)
if test -z "$PROTOC"; then
AC_MSG_ERROR([Please install the protobuf compiler from https://code.google.com/p/protobuf/.])