add gcc warning flag for msvc limitations (OSGeo#224)

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@2390 4e78687f-474d-0410-85f9-8d5e500ac6b2
GangShao · Oct 20, 2013 · d889852 · d889852
1 parent 9067fbe
commit d889852
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diff --git a/configure.in b/configure.in
@@ -9,6 +9,10 @@ AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE
 AM_CONFIG_HEADER(src/proj_config.h)
 
+dnl Enable as much warnings as possible
+AX_CFLAGS_WARN_ALL(C_WFLAGS)
+AC_SUBST(C_WFLAGS,$C_WFLAGS)
+
 dnl Checks for programs.
 AC_PROG_CC
 AC_PROG_INSTALL

diff --git a/src/Makefile.am b/src/Makefile.am
@@ -1,3 +1,5 @@
+AM_CFLAGS = @C_WFLAGS@
+
 bin_PROGRAMS =	proj nad2bin geod cs2cs
 EXTRA_PROGRAMS = multistresstest