#!/bin/sh -
#	$Id$
#
# Build the BREW files.

msgc="/* DO NOT EDIT: automatically built by dist/s_brew. */"

. RELEASE

s=/tmp/__db_a
t=/tmp/__db_b

trap 'rm -f $s $t ; exit 0' 0
trap 'rm -f $s $t ; exit 1' 1 2 3 13 15

# Build the BREW db.h.
cat <<ENDOFSEDTEXT > $s
/@inttypes_h_decl@/d
/@stdint_h_decl@/d
s/@stddef_h_decl@/#include <stddef.h>/
/@unistd_h_decl@/d
/@thread_h_decl@/d
s/@u_int8_decl@/typedef unsigned char u_int8_t;/
s/@int16_decl@/typedef short int16_t;/
s/@u_int16_decl@/typedef unsigned short u_int16_t;/
s/@int32_decl@/typedef int int32_t;/
s/@u_int32_decl@/typedef unsigned int u_int32_t;/
/@int64_decl@/d
/@u_int64_decl@/d
s/@u_char_decl@/typedef unsigned char u_char;/
s/@u_int_decl@/typedef unsigned int u_int;/
s/@u_long_decl@/typedef unsigned long u_long;/
s/@u_short_decl@/typedef unsigned short u_short;/
s/@uintmax_t_decl@/typedef unsigned long uintmax_t;/
s/@uintptr_t_decl@/typedef unsigned long uintptr_t;/
s/@FILE_t_decl@/typedef IFile FILE;/
s/@off_t_decl@/typedef u_int32_t off_t;/
s/@pid_t_decl@/typedef int pid_t;/
s/@size_t_decl@/typedef unsigned int size_t;/
s/@ssize_t_decl@/typedef int ssize_t;/
s/@time_t_decl@/typedef long time_t;/
s/@db_seq_decl@/typedef int32_t db_seq_t;/
s/@db_threadid_t_decl@/typedef uintmax_t db_threadid_t;/
s/@DB_VERSION_MAJOR@/$DB_VERSION_MAJOR/
s/@DB_VERSION_MINOR@/$DB_VERSION_MINOR/
s/@DB_VERSION_PATCH@/$DB_VERSION_PATCH/
s/@DB_VERSION_STRING@/"$DB_VERSION_STRING"/
s/@DB_VERSION_UNIQUE_NAME@//
s/@DB_CONST@//
s/@DB_PROTO1@/#undef __P/
s/@DB_PROTO2@/#define	__P(protos)	protos/
/@platform_header@/d
/@platform_footer@/{
	i\\
typedef struct {\\
\	AEEApplet a;			/* AEEApplet must be listed first. */\\
\	void *db_global_values;\\
} BDBApp;\\
int brew_bdb_begin __P((void));\\
void brew_bdb_end __P((void));
	d
}
/^#ifndef.__NO_SYSTEM_INCLUDES/i\\
#include <AEEFile.h>
/^#ifndef.__NO_SYSTEM_INCLUDES/,/^#endif/d
ENDOFSEDTEXT
(echo "$msgc" &&
    sed -f $s ../dbinc/db.in &&
    cat ../dbinc_auto/api_flags.in &&
    cat ../dbinc_auto/ext_prot.in) > $t
test `egrep '@.*@' $t` && {
	egrep '@.*@' $t
	echo 'Unexpanded autoconf variables found in BREW db.h.'
	exit 1
}
f=../build_brew/db.h
cmp $t $f > /dev/null 2>&1 ||
    (echo "Building $f" && rm -f $f && cp $t $f && chmod 444 $f)

# Build the BREW db_int.h.
cat <<ENDOFSEDTEXT > $s
s/@PATH_SEPARATOR@/\\\\\\\\\/:/
s/@db_int_def@//
/#endif.*HAVE_SYSTEM_INCLUDE_FILES/a\\
#include "brew_db.h"
ENDOFSEDTEXT
(echo "$msgc" && sed -f $s ../dbinc/db_int.in) > $t
test `egrep '@.*@' $t` && {
	egrep '@.*@' $t
	echo 'Unexpanded autoconf variables found in BREW db_int.h.'
	exit 1
}
f=../build_brew/db_int.h
cmp $t $f > /dev/null 2>&1 ||
    (echo "Building $f" && rm -f $f && cp $t $f && chmod 444 $f)

# Build the BREW db_config.h
# We don't fail, but we complain if the brew_config.in file isn't up-to-date.
check_config()
{
	egrep '^#undef' config.hin | awk '{print $2}' | sort > $s
	(egrep '#undef' $1 | awk '{print $3}'
	 egrep '^#define' $1 | awk '{print $2}') | sort > $t
	cmp $s $t > /dev/null || {
		echo "config.hin and $1 differ"
		echo "<<< config.hin >>> $1"
		diff $s $t
	}
}
check_config brew/brew_config.in
f=../build_brew/db_config.h
(echo "$msgc" &&
    sed "s/__EDIT_DB_VERSION__/$DB_VERSION/" brew/brew_config.in) > $t
cmp $t $f > /dev/null 2>&1 ||
    (echo "Building $f" && rm -f $f && cp $t $f && chmod 444 $f)

# Build BREW's brew_db.h
f=../build_brew/brew_db.h
i=brew/brew_db.in
cmp $i $f > /dev/null 2>&1 ||
    (echo "Building $f" && rm -f $f && cp $i $f && chmod 444 $f)

# Build the BREW clib_port.h.
cat <<ENDOFSEDTEXT > $s
/@INT64_FMT@/d
/@UINT64_FMT@/d
ENDOFSEDTEXT
sed -f $s clib_port.in > $t
test `egrep '@.*@' $t` && {
	egrep '@.*@' $t
	echo 'Unexpanded autoconf variables found in BREW clib_port.h.'
	exit 1
}
f=../build_brew/clib_port.h
cmp $t $f > /dev/null 2>&1 ||
    (echo "Building $f" && rm -f $f && cp $t $f && chmod 444 $f)

# Copy in errno.h.
f=../build_brew/errno.h
cmp errno.h $f > /dev/null 2>&1 ||
    (echo "Building $f" && rm -f $f && cp errno.h $f && chmod 444 $f)

exit 0