doc: Fix typo in m4 version.

4 files changed, 4 insertions, 4 deletions

diff --git a/doc/BUILD-Linux b/doc/BUILD-Linux
index b542c0d6d..6cbccc0ac 100644
--- a/doc/BUILD-Linux
+++ b/doc/BUILD-Linux
@@ -51,7 +51,7 @@ recommended you use these versions or similar:
 
    * git - 2.4.3
    * python - Python 2.7.1
-   * m4 - GNU M4 1.4.7
+   * m4 - GNU M4 1.4.17
    * make - GNU Make 3.81
    * patch - Patch 2.5.8
    * tar - GNU tar 1.26
diff --git a/doc/BUILD-Mac b/doc/BUILD-Mac
index 85cde5a88..08264e048 100644
--- a/doc/BUILD-Mac
+++ b/doc/BUILD-Mac
@@ -69,7 +69,7 @@ recommended you use these versions or similar:
 
    * git - 2.4.3
    * python - Python 2.7.1
-   * m4 - GNU M4 1.4.7
+   * m4 - GNU M4 1.4.17
    * make - GNU Make 3.81
    * patch - Patch 2.5.8
    * tar - GNU tar 1.26
diff --git a/doc/BUILD-MinGW b/doc/BUILD-MinGW
index 9d83f4560..2935dbe02 100644
--- a/doc/BUILD-MinGW
+++ b/doc/BUILD-MinGW
@@ -64,7 +64,7 @@ recommended you use these versions or similar:
 
    * git - 2.4.3
    * python - Python 2.7.1
-   * m4 - GNU M4 1.4.7
+   * m4 - GNU M4 1.4.17
    * make - GNU Make 3.81
    * patch - Patch 2.5.8
    * tar - GNU tar 1.26
diff --git a/doc/texi/building/prerequisites.common.texi b/doc/texi/building/prerequisites.common.texi
index 8f8feabae..5cf576571 100644
--- a/doc/texi/building/prerequisites.common.texi
+++ b/doc/texi/building/prerequisites.common.texi
@@ -3,7 +3,7 @@ The following general tools are used on various platforms and it is recommended
 @itemize @bullet
 @item git - 2.4.3
 @item python - Python 2.7.1
-@item m4 - GNU M4 1.4.7
+@item m4 - GNU M4 1.4.17
 @item make - GNU Make 3.81
 @item patch - Patch 2.5.8
 @item tar - GNU tar 1.26