build system: handling of freetype-config and pkg-config

git-svn-id: svn://tug.org/texlive/trunk@13083 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 30 insertions, 0 deletions

diff --git a/Build/source/README.config b/Build/source/README.config
index ed09b300a3c..dd2485d6863 100644
--- a/Build/source/README.config
+++ b/Build/source/README.config
@@ -136,3 +136,33 @@ unusual location.
 When a system version of a required library is chosen, the top-level configure script
 performs a consistency check and bails out early if this fails.
 
+4. Some important VAR=value configure arguments
+===============================================
+
+Used instead of searching for programs in PATH.
+
+4.1. FT2_CONFIG=/path/to/freetype-config
+----------------------------------------
+
+For system freetype2 library.
+
+4.2. PKG_CONFIG=/path/to/pkg-config
+-----------------------------------
+
+For fontconfig and system xpdf (poppler) libraries.
+
+4.3. CLISP=/path/to/clisp
+-------------------------
+
+For xindy.
+
+4.4. latex=/path/to/latex
+-------------------------
+
+To build xindy make-rules.
+
+4.5. pdflatex=/path/to/pdflatex
+-------------------------------
+
+To build xindy docs.
+