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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -165,6 +165,11 @@ You can set the following variables: - KERL_DEPLOY_RSYNC_OPTIONS if additional options are required, e.g. "--delete" - KERL_ENABLE_PROMPT if set, the prompt will be prefixed with the name of the active build +Note on .kerlrc +=============== + +Since .kerlrc is a dot file for /bin/sh, running shell commands inside the .kerlrc will affect the shell and environment variables for the commands being executed later. For example, the shell `export` commands in .kerlrc will affect *your login shell environment* when activating curl. Use with care. + Glossary ======== @@ -220,6 +225,14 @@ You can enable the use of autoconf in the build process setting KERL_USE_AUTOCON *Note*: autoconf is always enabled for git builds +#### Using shell export command in .kerlrc + +Configure variables which includes spaces such as those in CFLAGS cannot be passed on with KERL_CONFIGURE_OPTIONS. In such a case you can use shell `export` command to define the environment variables for Configure. Note well: this method has a side effect to change your shell execution environment after activating a kerl installation of Erlang/OTP. Here is an example of .kerlrc for building Erlang/OTP for FreeBSD with clang compiler: + + # for clang + export CC=clang CXX=clang CFLAGS="-g -O3 -fstack-protector" LDFLAGS="-fstack-protector" + # compilation options + KERL_CONFIGURE_OPTIONS="--disable-native-libs --enable-vm-probes --with-dynamic-trace=dtrace --with-ssl=/usr/local --with-javac --enable-hipe --enable-kernel-poll --with-wx-config=/usr/local/bin/wxgtk2u-2.8-config --without-odbc --enable-threads --enable-sctp --enable-smp-support" install ------- |