http-server/configure at master · misterabdul/http-server · GitHub

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#!/bin/sh

echo "Configuring..."

# Default values
DEFAULT_CC="cc"
DEFAULT_PREFIX="/usr/local"
DEFAULT_CFLAGS="-std=gnu99 -pedantic -Wall -Wextra -I./src -D_FILE_OFFSET_BITS=64 -D_REENTRANT"
DEFAULT_LDFLAGS="-lpthread -lssl -lcrypto"
DEFAULT_PLATFORM="unix"
DEFAULT_PLATFORM_CODE="0x00"

if [ -z "$CC" ]; then
    CC="$DEFAULT_CC"
fi
if [ -z "$PREFIX" ]; then
    PREFIX="$DEFAULT_PREFIX"
fi
if [ -z "$LDFLAGS" ]; then
    LDFLAGS="$DEFAULT_LDFLAGS"
else
    LDFLAGS="$LDFLAGS $DEFAULT_LDFLAGS"
fi
if [ -z "$CFLAGS" ]; then
    CFLAGS="$DEFAULT_CFLAGS"
else
    CFLAGS="$CFLAGS $DEFAULT_CFLAGS"
fi

UNAME_S=$(uname -s)
case "$UNAME_S" in
    Linux)
        PLATFORM="linux"
        PLATFORM_CODE="0x10"
        ;;
    FreeBSD)
        PLATFORM="bsd"
        PLATFORM_CODE="0x20"
        ;;
    OpenBSD)
        PLATFORM="bsd"
        PLATFORM_CODE="0x21"
        ;;
    NetBSD)
        PLATFORM="bsd"
        PLATFORM_CODE="0x22"
        ;;
    Darwin)
        PLATFORM="darwin"
        PLATFORM_CODE="0x30"
        ;;
    SunOS)
        PLATFORM="solaris"
        PLATFORM_CODE="0x40"
        LDFLAGS="$LDFLAGS -lnsl -lsocket -lsendfile"
        ;;
    *)
        PLATFORM="$DEFAULT_PLATFORM"
        PLATFORM_CODE="$DEFAULT_PLATFORM_CODE"
        ;;
esac

echo "Compiler: $($CC --version | head -n1)"
echo "Prefix:   $PREFIX"
echo "Platform: $PLATFORM ($PLATFORM_CODE)"

# The magic step: substitute placeholders in Makefile.in to create Makefile
sed -e "s|@CC@|$CC|" \
    -e "s|@PREFIX@|$PREFIX|" \
    -e "s|@CFLAGS@|$CFLAGS|" \
    -e "s|@LDFLAGS@|$LDFLAGS|" \
    -e "s|@PLATFORM@|$PLATFORM|" \
    -e "s|@PLATFORM_CODE@|$PLATFORM_CODE|" \
    Makefile.in > Makefile

echo "Configuration complete. You can now run 'gmake'."