From 55bf56760ac2356ae92446658618afa0a2e78896 Mon Sep 17 00:00:00 2001 From: Anthony Scemama Date: Sat, 18 Jun 2016 01:05:55 +0200 Subject: [PATCH] Bug in gcc version with GCC 5 corrected --- install/scripts/install_ocaml.sh | 40 ++++++++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-) diff --git a/install/scripts/install_ocaml.sh b/install/scripts/install_ocaml.sh index 5718ed3..78e1ef9 100755 --- a/install/scripts/install_ocaml.sh +++ b/install/scripts/install_ocaml.sh @@ -7,8 +7,44 @@ cd .. ; QMCCHEM_PATH="$PWD" ; cd - PACKAGES="core cryptokit ocamlfind sexplib" # ppx_sexp_conv" declare -i i -i=$(gcc -dumpversion | cut -d '.' -f 2) -if [[ i -lt 6 ]] + +# return 0 if program version is equal or greater than check version +check_version () { + if [[ $1 == $2 ]] + then + return 0 + fi + local IFS=. + local i ver1=($1) ver2=($2) + # fill empty fields in ver1 with zeros + for ((i=${#ver1[@]}; i<${#ver2[@]}; i++)) + do + ver1[i]=0 + done + for ((i=0; i<${#ver1[@]}; i++)) + do + if [[ -z ${ver2[i]} ]] + then + # fill empty fields in ver2 with zeros + ver2[i]=0 + fi + if ((10#${ver1[i]} > 10#${ver2[i]})) + then + return 1 + fi + if ((10#${ver1[i]} < 10#${ver2[i]})) + then + return 2 + fi + done + return 0 +} + + +i=$(gcc -dumpversion) + +check_version 4.6 $i +if [[ $? == 1 ]] then echo "GCC version $(gcc -dumpversion) too old. GCC >= 4.6 required." exit 1