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-rw-r--r--INSTALL23
1 files changed, 23 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL
index 9669735..b37563e 100644
--- a/INSTALL
+++ b/INSTALL
@@ -8,6 +8,13 @@ it. To accomplish this, use the 'bootstrap' shell script found in the
root directory of the build2 project. The following is a recommended
sequence of steps:
+0. Get libbutl unless one is already present in the build2 directory
+ (whether one is bundled depends on how you obtained build2 source
+ code). Place it next to build2, so that you have:
+
+ libbutl/ (or libbutl-x.y.z/)
+ build2/ (or build2-x.y.z/)
+
1. Execute 'bootstrap' specifying the C++ compiler to be used if necessary
(default is 'g++'). For example:
@@ -21,6 +28,11 @@ sequence of steps:
$ build/b-boot config.cxx=clang++-3.5
+ If you had to obtain libbutl at step 0, then you will also have to
+ specify its location, for example:
+
+ $ build/b-boot config.import.libbutl=../libbutl ...
+
The result of this command is saved as 'build/b'.
3. Finally, rebuild the build2 binary using the binary built at step 2
@@ -30,3 +42,14 @@ sequence of steps:
$ build/b-prev config.cxx=clang++-3.5 clean
$ build/b-prev config.cxx=clang++-3.5 configure update
$ diff -b build/b build/b-prev
+
+ If you had to obtain libbutl, then this becomes ('...' stands for
+ any extra configuration you may have, like the C++ compiler above):
+
+ $ mv build/b build/b-prev
+ $ build/b-prev config.import.libbutl=../libbutl ... clean
+ $ cd ../libbutl
+ $ ../build2/build/b-prev ... configure
+ $ cd ../build2
+ $ build/b-prev config.import.libbutl=../libbutl ... configure update
+ $ diff build/b build/b-prev