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#!/bin/bash
# Compile each header file, one at a time.
# The compiler will notice if a header file does not include all other header
# files that it depends on.
# Example: In glibmm, go to directory glibmm, and run
# tools/test_scripts/testheaders.sh -I glib giomm-2.68 gio # compile glibmm/gio/giomm/*.h
# tools/test_scripts/testheaders.sh giomm-2.68 glib gio # compile glibmm/glib/glibmm/*.h and glibmm/gio/giomm/*.h
# tools/test_scripts/testheaders.sh -I glib glibmm-2.68 glib/glibmm/ustring.h # compile glibmm/glib/glibmm/ustring.h
# Usage: testheaders.sh [-I<dir>]... <pkg> [<dir> | <file>]...
# -I<dir> is added to the compiler flags.
# <pkg> is the name of the package, given to pkg-config.
function usage() {
echo "Usage: $0 [-I<dir>]... <pkg> [<dir> | <file>]..."
exit 1
}
# Compiler, default: CXX=g++
if test "x$CXX" = x
then
CXX=g++
fi
# Extra compiler flags, default: CXXFLAGS=-std=c++17
if test "x$CXXFLAGS" = x
then
CXXFLAGS=-std=c++17
fi
# Search for directories to include in CFLAGS.
idirs=""
while [ $# -gt 0 ]
do
case "$1" in
-I) if [ $# -lt 2 ]
then
usage
fi
idirs+=" -I$2"
shift; shift
;;
-I*) idirs+=" $1"
shift
;;
-*) echo "Illegal option: $1"
usage
;;
*) break
;;
esac
done
# Package name
if [ $# -lt 1 ]
then
echo "No package name"
usage
fi
pkg="$1"
shift
# Search for more directories to include in CFLAGS.
for i in "$@"
do
if [ -d "$i" ]
then
idirs+=" -I$i"
fi
done
CFLAGS="$idirs `pkg-config --cflags $pkg`"
if [ $? -ne 0 ]
then
echo "pkg-config failed"
usage
fi
echo CXX=$CXX, CXXFLAGS=$CXXFLAGS
echo CFLAGS=$CFLAGS
# Compile the specified files
for i in "$@"
do
if [ -d "$i" ]
then
for headerfile in $i/${i}mm/*.h
do
echo "=== $headerfile"
$CXX -c -x c++ $CXXFLAGS -o /dev/null $headerfile $CFLAGS
done
else
echo "=== $i"
$CXX -c -x c++ $CXXFLAGS -o /dev/null $i $CFLAGS
fi
done
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