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| author | Lukas Larsson <[email protected]> | 2018-12-03 14:42:15 +0100 |
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| committer | Lukas Larsson <[email protected]> | 2018-12-03 14:42:15 +0100 |
| commit | 7515f713da271618c688de768f1586280fcc9635 (patch) | |
| tree | 0b139876b58ecc12ba21727138db9459fc19227d /erts/configure.in | |
| parent | 28d77314ceb96cda8f270eccaa60af625bbe0e76 (diff) | |
| parent | 0d24aecf46f9f387d64f06744f8a55b841669d1e (diff) | |
| download | otp-7515f713da271618c688de768f1586280fcc9635.tar.gz otp-7515f713da271618c688de768f1586280fcc9635.tar.bz2 otp-7515f713da271618c688de768f1586280fcc9635.zip | |
Merge branch 'maint'
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/erts/configure.in b/erts/configure.in index 0323058b4a..05379f74ee 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -570,6 +570,17 @@ else WFLAGS="" WERRORFLAGS="" fi + +AC_MSG_CHECKING([CFLAGS for -O switch]) +case "$CFLAGS" in + *-O*) AC_MSG_RESULT([yes]) ;; + *) + AC_MSG_ERROR([ + CFLAGS must contain a -O flag. If you need to edit the CFLAGS you probably + also want to add the default CFLAGS. The default CFLAGS are "-O2 -g". + If you want to build erts without any optimization, pass -O0 to CFLAGS.]) ;; +esac + dnl DEBUG_FLAGS is obsolete (I hope) AC_SUBST(DEBUG_FLAGS) AC_SUBST(DEBUG_CFLAGS) |