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-rw-r--r--Build/source/libs/libpng/libpng.ac2
-rw-r--r--Build/source/libs/libpng/withenable.ac11
2 files changed, 8 insertions, 5 deletions
diff --git a/Build/source/libs/libpng/libpng.ac b/Build/source/libs/libpng/libpng.ac
index eda70ebb9fa..bf05b425f96 100644
--- a/Build/source/libs/libpng/libpng.ac
+++ b/Build/source/libs/libpng/libpng.ac
@@ -1,3 +1,4 @@
+# beginning of libpng.ac
if test "$needs_pnglib" = no; then
LIBPNGCPPFLAGS=
LDLIBPNG=
@@ -50,3 +51,4 @@ fi
AC_SUBST(LIBPNGCPPFLAGS)
AC_SUBST(LDLIBPNG)
AC_SUBST(LIBPNGDEP)
+# end of libpng.ac
diff --git a/Build/source/libs/libpng/withenable.ac b/Build/source/libs/libpng/withenable.ac
index 941620e0e2d..3fe683ef22c 100644
--- a/Build/source/libs/libpng/withenable.ac
+++ b/Build/source/libs/libpng/withenable.ac
@@ -1,10 +1,11 @@
+# beginning of libpng/withenable.ac
+# public domain.
AC_ARG_WITH([system-pnglib],
- [ --with-system-pnglib use installed pnglib library])
+[ --with-system-pnglib use installed pnglib library])
AC_ARG_WITH([pnglib_libdir],
-[ --with-pnglib-libdir=DIR
- Specify directory where the png library (libpng.a) resides.])
+[ --with-pnglib-libdir=DIR specify directory where the png library (libpng.a) resides.])
AC_ARG_WITH([pnglib_include],
-[ --with-pnglib-include=DIR
- Specify the pnglib header files location.])
+[ --with-pnglib-include=DIR specify directory with the pnglib header files.])
+# end of libpng/withenable.ac