diff options
-rw-r--r-- | INSTALL | 23 | ||||
-rwxr-xr-x | bootstrap | 52 |
2 files changed, 71 insertions, 4 deletions
@@ -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 @@ -1,8 +1,7 @@ #!/bin/sh -src="build/*.cxx build/config/*.cxx build/bin/*.cxx build/cxx/*.cxx" - cxx=g++ +libbutl= while test $# -ne 0; do case $1 in @@ -20,6 +19,19 @@ while test $# -ne 0; do cxx=$1 shift ;; + --libbutl) + shift + if test $# -eq 0; then + echo "error: libbutl path expected after --libbutl" 1>&2 + exit 1 + fi + if test ! -d "$1"; then + echo "error: libbutl directory '$1' does not exist" 1>&2 + exit 1 + fi + libbutl=$1 + shift + ;; *) echo "error: unknown option $1" 1>&2 exit 1 @@ -27,5 +39,37 @@ while test $# -ne 0; do esac done -echo $cxx -std=c++14 -I. -o build/b-boot $src 1>&2 -exec $cxx -std=c++14 -I. -o build/b-boot $src +# See if there is libbutl or libbutl-* in the current directory and +# one directory up. +# +if test -z "$libbutl"; then + if test -d libbutl; then + libbutl=libbutl + else + libbutl=`echo libbutl-*` + if test ! -d "$libbutl"; then + libbutl= + fi + fi +fi + +if test -z "$libbutl"; then + if test -d ../libbutl; then + libbutl=../libbutl + else + libbutl=`echo ../libbutl-*` + if test ! -d "$libbutl"; then + libbutl= + fi + fi +fi + +if test -z "$libbutl"; then + echo "error: unable to find libbutl, use --libbutl to specify its location" 1>&2 + exit 1 +fi + +src="build/*.cxx build/config/*.cxx build/bin/*.cxx build/cxx/*.cxx $libbutl/butl/*.cxx" + +echo $cxx -std=c++1y -I$libbutl -I. -o build/b-boot $src 1>&2 +exec $cxx -std=c++1y -I$libbutl -I. -o build/b-boot $src |