READMEs: add details on dependencies needed to build and run tests.

diff --git a/README_DEVELOPERS b/README_DEVELOPERS
index 6cefd0faa96652215bb3ff33b9e212280b1f73f3..3ab466a02bd8510df4b5a507a8f32106adf566bd 100644 (file)
--- a/README_DEVELOPERS
+++ b/README_DEVELOPERS
@@ -3,6 +3,9 @@ Building and installing it
 To build/install from the GIT repository or from a distribution
 tarball, refer to the section with the same name in README.
 
+Building Valgrind requires autoconf, GNU make and a suitable C
+compiler.
+
 
 Building and not installing it
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -42,6 +45,10 @@ can be found in docs/README.
 
 Running the regression tests
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Running the regression tests requires GNU sed, python 3.9 or later, gdb,
+and a suitable C++ compiler
+
 To build and run all the regression tests, run "make [--quiet] regtest".
 
 To run a subset of the regression tests, execute:

diff --git a/nightly/README.txt b/nightly/README.txt
index f345468a2434705c9ff4824d15b4c195f3898871..33a7139ab938d5b0db07b36dd7e4db2f403bf475 100644 (file)
--- a/nightly/README.txt
+++ b/nightly/README.txt
@@ -26,6 +26,11 @@ If the two trees are identical, the tests are not run and no results are
 emailed.  This avoids spamming people with uninteresting results emails when
 no commits have happened recently.
 
+The requirements for the machine running the nightly tests are the same as
+for running the regression tests (see README_DEVELOPERS) plus GNU coreutils
+and the ability to send e-mail. The mail transport agent used depends on the
+platform and is decribed in step (4) below.
+
 
 SETTING UP
 ----------