Make NEED_REENTRANT_FUNC_NAMES _require_ *_r functions, and add tests to

configure to report if they are not found.

src/template/bsdi

@@ -12,4 +12,3 @@ esac
 
 SUPPORTS_THREADS=yes
 NEED_REENTRANT_FUNC_NAMES=no
-

src/template/freebsd

@@ -5,13 +5,13 @@ case $host_cpu in
 esac
 
 SUPPORTS_THREADS=yes
+NEED_REENTRANT_FUNC_NAMES=no
+
 case $host_os in
 		freebsd2*|freebsd3*|freebsd4*)
 			THREAD_CFLAGS="-pthread"
-			NEED_REENTRANT_FUNC_NAMES=yes
 			;;
 		*)
 			THREAD_LIBS="-lc_r"
-			NEED_REENTRANT_FUNC_NAMES=yes
 			;;
 esac

src/template/linux

@@ -1,7 +1,7 @@
 CFLAGS=-O2
 
 SUPPORTS_THREADS=yes
+NEED_REENTRANT_FUNC_NAMES=yes
 THREAD_CFLAGS="-D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
 THREAD_LIBS="-lpthread"
-NEED_REENTRANT_FUNC_NAMES=yes
 

src/template/netbsd

@@ -2,4 +2,3 @@ CFLAGS='-O2 -pipe'
 
 SUPPORTS_THREADS=yes
 NEED_REENTRANT_FUNC_NAMES=no
-

src/template/osf

@@ -4,6 +4,7 @@ else
   CC="$CC -std"
   CFLAGS='-O4 -Olimit 2000'
 fi
-SUPPORTS_THREADS=yes
-THREAD_CFLAGS="-pthread"
 
+SUPPORTS_THREADS=yes
+NEED_REENTRANT_FUNC_NAMES=no
+THREAD_CFLAGS="-pthread"

src/template/unixware

@@ -10,5 +10,5 @@ else
 fi
 
 SUPPORTS_THREADS=yes
-THREAD_CFLAGS += -D_REENTRANT
 NEED_REENTRANT_FUNC_NAMES=yes
+THREAD_CFLAGS += -D_REENTRANT