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-rw-r--r--Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 3b2d8850f..fa7faa6bb 100644
--- a/Makefile
+++ b/Makefile
@@ -166,11 +166,11 @@ prereq-noerror:
NO_ERROR=0
.prereq_done:
@-rm -rf .prereq_done
- @if ! bash --version 2>&1 | fgrep 'GNU bash' >/dev/null 2>&1; then \
+ @if ! bash --version 2>&1 | grep -F 'GNU bash' >/dev/null 2>&1; then \
echo "GNU bash needs to be installed."; \
exit 1; \
fi
- @if ! mksh -c 'echo $$KSH_VERSION' 2>&1 | fgrep 'MIRBSD' >/dev/null 2>&1; then \
+ @if ! mksh -c 'echo $$KSH_VERSION' 2>&1 | grep -F 'MIRBSD' >/dev/null 2>&1; then \
echo "MirBSD ksh (mksh) needs to be installed."; \
exit 1; \
else \