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authorCory Fields <cory-nospam-@coryfields.com>2016-11-15 16:12:17 -0500
committerCory Fields <cory-nospam-@coryfields.com>2016-11-15 16:12:17 -0500
commit70266e98292bf9c8f019ca4b11d681b575f71448 (patch)
tree3a100fbd47f4848f86983f0c147aee0dd57c6117
parent6eeac6e30d65f9a972067c1ea8c49978c8e631ac (diff)
build: fix qt5.7 build under macOS
OBJCXX's std flags don't get defined by our cxx macro. Rather than hard-coding to c++11, just force OBJCXX to be the same as CXX unless the user specified otherwise.
-rw-r--r--configure.ac10
1 files changed, 9 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 705327e816..7347277a56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,7 +45,6 @@ else
CXXFLAGS_overridden=no
fi
AC_PROG_CXX
-m4_ifdef([AC_PROG_OBJCXX],[AC_PROG_OBJCXX])
dnl By default, libtool for mingw refuses to link static libs into a dll for
dnl fear of mixing pic/non-pic objects, and import/export complications. Since
@@ -60,6 +59,15 @@ AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
dnl Check if -latomic is required for <std::atomic>
CHECK_ATOMIC
+dnl Unless the user specified OBJCXX, force it to be the same as CXX. This ensures
+dnl that we get the same -std flags for both.
+m4_ifdef([AC_PROG_OBJCXX],[
+if test "x${OBJCXX+set}" = "x"; then
+ OBJCXX="${CXX}"
+fi
+AC_PROG_OBJCXX
+])
+
dnl Libtool init checks.
LT_INIT([pic-only])