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gmid
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try to preserve as much as possible CFLAGS and LDFLAGS from env 

but still try to autodetect with pkg-config if they aren't provided.

Passing CFLAGS/LDFLAGS from the command line will still override the
guessed ones.
This commit is contained in:
Omar Polo 2021-07-06 13:01:11 +00:00
parent eb877bffaa
commit 6edcfca97f
2 changed files with 40 additions and 11 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2021-07-06 Omar Polo <op@omarpolo.com>
* configure (guessing_cflags): try to preserve CFLAGS/LDFLAGS
2021-07-02 Omar Polo <op@omarpolo.com>
* sandbox.c (filter): seccomp filter reworked: now it should work on x86 and possibly other arches too!

47
configure vendored
View File

@ -32,13 +32,25 @@ echo "file config.log: writing..."
# --------
# default settings: initialize all vars here such that nothing is
# leaked from the environment except for CC and CFLAGS
# leaked from the environment except for CC, CFLAGS and LDFLAGS
CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make ${MAKE_FLAGS} -sf -`
CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
CFLAGS="${CFLAGS} -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes"
CFLAGS="${CFLAGS} -Wwrite-strings -Wno-unused-parameter"
LDFLAGS="-ltls -levent"
guessing_cflags=0
if [ -z "${CFLAGS}" ]; then
guessing_cflags=1
CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
CFLAGS="${CFLAGS} -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes"
CFLAGS="${CFLAGS} -Wwrite-strings -Wno-unused-parameter"
fi
guessing_ldflags=0
if [ -z "${LDFLAGS}" ]; then
guessing_ldflags=1
LDFLAGS=`printf "all:\\n\\t@echo \\\$(LDFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
LDFLAGS="-ltls -levent -lcrypto"
fi
LD_IMSG=
STATIC=
YACC=yacc
@ -53,15 +65,28 @@ BINDIR=
INSTALL="install"
add_cflags() {
if [ $guessing_cflags = 1 ]; then
CFLAGS="${CFLAGS} $1"
fi
}
add_ldflags() {
if [ $guessing_ldflags = 1 ]; then
LDFLAGS="${LDFLAGS} $1"
fi
}
# try to auto detect CFLAGS and LDFLAGS
if which pkg-config 2>/dev/null 1>&2; then
if pkg-config libtls; then
CFLAGS="${CFLAGS} $(pkg-config --cflags libtls)"
LDFLAGS="$(pkg-config --libs libtls)"
add_cflags "$(pkg-config --cflags libtls)"
add_ldflags "$(pkg-config --libs libtls)"
fi
if pkg-config openssl; then
CFLAGS="${CFLAGS} $(pkg-config --cflags openssl)"
LDFLAGS="${LDFLAGS} $(pkg-config --libs openssl)"
add_cflags "$(pkg-config --cflags openssl)"
add_ldflags "$(pkg-config --libs openssl)"
fi
case "$(uname)" in
@ -70,8 +95,8 @@ if which pkg-config 2>/dev/null 1>&2; then
;;
*)
if pkg-config libevent; then
CFLAGS="${CFLAGS} $(pkg-config --cflags libevent)"
LDFLAGS="${LDFLAGS} $(pkg-config --libs libevent)"
add_cflags "$(pkg-config --cflags libevent)"
add_ldflags "$(pkg-config --libs libevent)"
fi
;;
esac