| 1 | #!/bin/bash |
| 2 | |
| 3 | detect_sed() { |
| 4 | if sed --version 2>/dev/null | grep -q "GNU"; then |
| 5 | SED_TYPE="GNU" |
| 6 | else |
| 7 | SED_TYPE="BSD" |
| 8 | fi |
| 9 | } |
| 10 | |
| 11 | universal_sed() { |
| 12 | local expression=$1 |
| 13 | local file=$2 |
| 14 | |
| 15 | if [[ "$SED_TYPE" == "GNU" ]]; then |
| 16 | sed -i "$expression" "$file" |
| 17 | else |
| 18 | sed -i '' "$expression" "$file" |
| 19 | fi |
| 20 | } |
| 21 | |
| 22 | detect_sed |
| 23 | |
| 24 | if [[ "$(uname)" == "Linux" ]]; |
| 25 | then |
| 26 | export MAKE_JOB_COUNT="$(expr $(printf '%s\n%s' $(( $(grep MemTotal: /proc/meminfo | cut -d: -f2 | cut -dk -f1) * 4 / (1048576 * 9) )) $(nproc) | sort -n | head -n1) '|' 1)" |
| 27 | elif [[ "$(uname)" == "Darwin" ]]; |
| 28 | then |
| 29 | export MAKE_JOB_COUNT="$(expr $(printf '%s\n%s' $(( $(sysctl -n hw.memsize) * 4 / (1073741824 * 9) )) $(sysctl -n hw.logicalcpu) | sort -n | head -n1) '|' 1)" |
| 30 | else |
| 31 | # Assume windows eh? |
| 32 | export MAKE_JOB_COUNT="$(expr $(printf '%s\n%s' $(( $(grep MemTotal: /proc/meminfo | cut -d: -f2 | cut -dk -f1) * 4 / (1048576 * 9) )) $(nproc) | sort -n | head -n1) '|' 1)" |
| 33 | fi |