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add -dead_strip_dylibs by default to the macOS linker

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Under macOS, to reduce dependency chains, we remove functions and
data that are unreachable by the entry point or exported symbols.
In particular, the linker is run with "-dead_strip" and with
"-dead_strip_dylibs".
This commit is contained in:
Landon Curt Noll
2023-08-14 04:11:33 -07:00
parent ee900ec6ec
commit e0df1646fc
12 changed files with 51 additions and 26 deletions
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4
custom/c_argv.c
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@@ -1,7 +1,7 @@
/*
* c_argv - a custom function display info about its args
*
* Copyright (C) 1999-2006,2021 Landon Curt Noll
* Copyright (C) 1999-2006,2021,2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -32,7 +32,7 @@
#if defined(CUSTOM)
int c_argv_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_argv_allowed = 0; /* CUSTOM defined */
int c_argv_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

4
custom/c_devnull.c
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@@ -1,7 +1,7 @@
/*
* c_devnull - a custom function that does nothing
*
* Copyright (C) 1999-2004,2021 Landon Curt Noll
* Copyright (C) 1999-2004,2021,2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -32,7 +32,7 @@
#if defined(CUSTOM)
int c_devnull_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_devnull_allowed = 0; /* CUSTOM defined */
int c_devnull_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

4
custom/c_help.c
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@@ -1,7 +1,7 @@
/*
* c_help - custom help function
*
* Copyright (C) 1999-2004,2021,2022 Landon Curt Noll
* Copyright (C) 1999-2004,2021-2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -32,7 +32,7 @@
#if defined(CUSTOM)
int c_help_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_help_allowed = 0; /* CUSTOM defined */
int c_help_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

4
custom/c_pmodm127.c
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@@ -1,7 +1,7 @@
/*
* c_pmodm127 - calculate q mod 2^(2^127-1)
*
* Copyright (C) 2004-2007,2021,2022 Landon Curt Noll
* Copyright (C) 2004-2007,2021-2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -31,7 +31,7 @@
#if defined(CUSTOM)
int c_pmodm127_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_pmodm127_allowed = 0; /* CUSTOM defined */
int c_pmodm127_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

4
custom/c_pzasusb8.c
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@@ -1,7 +1,7 @@
/*
* c_pzasusb8 - print numerator as a string of USB8s
*
* Copyright (C) 1999-2004,2021,2022 Ernest Bowen
* Copyright (C) 1999-2004,2021-2023 Ernest Bowen
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -31,7 +31,7 @@
#if defined(CUSTOM)
int c_pzasusb8_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_pzasusb8_allowed = 0; /* CUSTOM defined */
int c_pzasusb8_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

4
custom/c_register.c
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@@ -1,7 +1,7 @@
/*
* c_register - set or print a custom register value
*
* Copyright (C) 2007,2021,2022 Landon Curt Noll
* Copyright (C) 2007,2021-2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -32,7 +32,7 @@
#if defined(CUSTOM)
int c_register_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_register_allowed = 0; /* CUSTOM defined */
int c_register_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

4
custom/c_sysinfo.c
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@@ -1,7 +1,7 @@
/*
* c_sysinfo - names and values of selected #defines
*
* Copyright (C) 1999-2007,2021,2022 Landon Curt Noll
* Copyright (C) 1999-2007,2021-2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -32,7 +32,7 @@
#if defined(CUSTOM)
int c_sysinfo_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int c_sysinfo_allowed = 0; /* CUSTOM defined */
int c_sysinfo_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */

17
custom/custtbl.c
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@@ -1,7 +1,7 @@
/*
* custtbl - custom interface table
*
* Copyright (C) 1999-2007,2021 Landon Curt Noll
* Copyright (C) 1999-2007,2021,2023 Landon Curt Noll
*
* Calc is open software; you can redistribute it and/or modify it under
* the terms of the version 2.1 of the GNU Lesser General Public License
@@ -24,6 +24,18 @@
* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
*/
/*
* ISO C requires a translation unit to contain at least one declaration,
* so we declare a global variable whose value is based on if CUSTOM is defined.
*/
#if defined(CUSTOM)
int custtbl_allowed = 1; /* CUSTOM defined */
#else /* CUSTOM */
int custtbl_allowed = 0; /* CUSTOM undefined */
#endif /* CUSTOM */
#include <unistd.h>
#include "../have_const.h"
@@ -35,8 +47,7 @@
/*
* NOTE: See the file CUSTOM for instructions on how to add
* custom functions.
* NOTE: See the file HOW_TO_ADD for instructions on how to add custom functions.
*/