Remove workaround for some non-GNU makes.

(This used to be commit 0580357fb4b10e4a751d281e209f6a87e1c88143)

3 files changed, 15 insertions, 30 deletions

diff --git a/source4/build/m4/check_make.m4 b/source4/build/m4/check_make.m4
index d7799649a7..f497684453 100644
--- a/source4/build/m4/check_make.m4
+++ b/source4/build/m4/check_make.m4
@@ -6,35 +6,26 @@ dnl  Released under the GNU GPL
 dnl -------------------------------------------------------
 dnl
 
-AC_PATH_PROG(MAKE,make)
+AC_PATH_PROGS(MAKE,gmake make)
 
 AC_CACHE_CHECK([whether we have GNU make], samba_cv_gnu_make, [
-if $ac_cv_path_MAKE --version | head -1 | grep GNU 2>/dev/null >/dev/null
+if ! $ac_cv_path_MAKE --version | head -1 | grep GNU 2>/dev/null >/dev/null
 then
-	samba_cv_gnu_make=yes
-else
-	samba_cv_gnu_make=no
+	AC_MSG_ERROR([Unable to find GNU make])
 fi
 ])
 
-GNU_MAKE=$samba_cv_gnu_make
-AC_SUBST(GNU_MAKE)
-
-if test "x$GNU_MAKE" = x"yes"; then
-	AC_CACHE_CHECK([GNU make version], samba_cv_gnu_make_version,[
+AC_CACHE_CHECK([GNU make version], samba_cv_gnu_make_version,[
 		samba_cv_gnu_make_version=`$ac_cv_path_MAKE --version | head -1 | cut -d " " -f 3 2>/dev/null`
 	])
 	GNU_MAKE_VERSION=$samba_cv_gnu_make_version
 	AC_SUBST(GNU_MAKE_VERSION)
-fi
 
 
 new_make=no
 AC_MSG_CHECKING([for GNU make >= 3.81])
-if test x$GNU_MAKE = x"yes"; then
-	if $PERL -e " \$_ = '$GNU_MAKE_VERSION'; s/@<:@^\d\.@:>@.*//g; exit (\$_ < 3.81);"; then
-		new_make=yes
-	fi
+if $PERL -e " \$_ = '$GNU_MAKE_VERSION'; s/@<:@^\d\.@:>@.*//g; exit (\$_ < 3.81);"; then
+	new_make=yes
 fi
 AC_MSG_RESULT($new_make)
 automatic_dependencies=no
@@ -46,11 +37,3 @@ AC_ARG_ENABLE(automatic-dependencies,
 [ automatic_dependencies=no ])
 AC_MSG_RESULT($automatic_dependencies)
 AC_SUBST(automatic_dependencies)
-
-FIRST_PREREQ="\$*.c"
-AC_SUBST(FIRST_PREREQ)
-
-if test x$GNU_MAKE = xyes; then
-	FIRST_PREREQ="\$<"
-fi
-
diff --git a/source4/build/smb_build/main.pl b/source4/build/smb_build/main.pl
index 6d4a7321a4..d2d3dc9c5c 100644
--- a/source4/build/smb_build/main.pl
+++ b/source4/build/smb_build/main.pl
@@ -92,4 +92,6 @@ cflags::create_cflags($OUTPUT, $config::config{srcdir},
 
 summary::show($OUTPUT, \%config::config);
 
+print "To build Samba, run $config::config{MAKE}\n";
+
 1;
diff --git a/source4/rules.mk b/source4/rules.mk
index 9791466712..62600e8d00 100644
--- a/source4/rules.mk
+++ b/source4/rules.mk
@@ -1,14 +1,14 @@
 # Dependencies command
 DEPENDS = $(CC) -M -MG -MP -MT $(<:.c=.o) -MT $@ \
     $(CFLAGS) `$(PERL) $(srcdir)/script/cflags.pl $@` \
-    $(CPPFLAGS) $(FIRST_PREREQ) -o $@
+    $(CPPFLAGS) $< -o $@
 # Dependencies for host objects
 HDEPENDS = $(CC) -M -MG -MP -MT $(<:.c=.ho) -MT $@ \
     $(HOSTCC_FLAGS) `$(PERL) $(srcdir)/script/cflags.pl $@` \
-    $(CPPFLAGS) $(FIRST_PREREQ) -o $@
+    $(CPPFLAGS) $< -o $@
 # Dependencies for precompiled headers
 PCHDEPENDS = $(CC) -M -MG -MT include/includes.h.gch -MT $@ \
-    $(CFLAGS) $(CPPFLAGS) $(FIRST_PREREQ) -o $@
+    $(CFLAGS) $(CPPFLAGS) $< -o $@
 
 # $< is broken in older BSD versions:
 # when $@ is foo/bar.o, $< could be torture/foo/bar.c
@@ -20,22 +20,22 @@ PCHDEPENDS = $(CC) -M -MG -MT include/includes.h.gch -MT $@ \
 
 # Run a static analysis checker
 CHECK = $(CC_CHECKER) $(CFLAGS) `$(PERL) $(srcdir)/script/cflags.pl $@` \
-    $(PICFLAG) $(CPPLAGS) -c $(FIRST_PREREQ) -o $@
+    $(PICFLAG) $(CPPLAGS) -c $< -o $@
 
 # Run the configured compiler
 COMPILE = $(CC) $(CFLAGS) $(PICFLAG) \
           `$(PERL) $(srcdir)/script/cflags.pl $@` \
 		  $(CPPFLAGS) \
-		  -c $(FIRST_PREREQ) -o $@
+		  -c $< -o $@
 
 # Run the compiler for the build host
 HCOMPILE = $(HOSTCC) $(HOSTCC_FLAGS) `$(PERL) $(srcdir)/script/cflags.pl $@` \
-	 $(CPPFLAGS) -c $(FIRST_PREREQ) -o $@
+	 $(CPPFLAGS) -c $< -o $@
 
 # Precompile headers
 PCHCOMPILE = @$(CC) -Ilib/replace \
     $(CFLAGS) `$(PERL) $(srcdir)/script/cflags.pl $@` \
-    $(PICFLAG) $(CPPFLAGS) -c $(FIRST_PREREQ) -o $@
+    $(PICFLAG) $(CPPFLAGS) -c $< -o $@
 
 # Partial linking
 PARTLINK = @$(PROG_LD) -r