[libsoup] libsoup: only do the libsoup-2.4.sym check on linux

[Dan Winship <danw src gnome org>]

commit 79d499b3d633b2a30bba7a6b17d61942c0e2029c
Author: Dan Winship <danw gnome org>
Date:   Mon Oct 6 09:43:29 2014 -0400

    libsoup: only do the libsoup-2.4.sym check on linux

 configure.ac        |    7 +++++++
 libsoup/Makefile.am |    4 ++++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 46cd3aa..29b00fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,14 +106,21 @@ AC_MSG_CHECKING([for Win32])
 case "$host" in
   *-*-mingw*)
     os_win32=yes
+    os_linux=yes
     CFLAGS="$CFLAGS -D_REENTRANT"
     ;;
+  *-*-linux*)
+    os_win32=no
+    os_linux=yes
+    ;;
   *)
     os_win32=no
+    os_linux=no
     ;;
 esac
 AC_MSG_RESULT([$os_win32])
 AM_CONDITIONAL(OS_WIN32, [test $os_win32 = yes])
+AM_CONDITIONAL(OS_LINUX, [test $os_linux = yes])
 
 dnl ************************
 dnl *** gettext/intltool ***
diff --git a/libsoup/Makefile.am b/libsoup/Makefile.am
index 3e34a09..403c1c2 100644
--- a/libsoup/Makefile.am
+++ b/libsoup/Makefile.am
@@ -296,6 +296,9 @@ CLEANFILES = $(gir_DATA) $(typelib_DATA) $(BUILT_SOURCES)
 
 endif
 
+# We only do this check on Linux, so we don't have to worry about
+# different "nm" output on other platforms
+if OS_LINUX
 check-local:
        @echo Checking libsoup-2.4.so symbols
        @nm $(builddir)/.libs/libsoup-2.4.so | \
@@ -303,3 +306,4 @@ check-local:
                sed "s/^[[:xdigit:]]\+ [BTR] //" | \
                env LANG=C sort -u | \
                diff -U0 $(srcdir)/libsoup-2.4.sym - >&2
+endif