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configure: Use modern way to set AR

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This uses AM_PROG_AR to discover ar, which is the recommended way to do
so. Among other advantages, it honors the AR environment variable (as
set from the outside). The macro has been around since automake 1.11.2
(Dec 2011).

This commit also removes code that discovers ranlib and strip. ranlib
has been obsolete for decades (ar does its task now automatically), and
anyway LT_INIT takes care of discovering it. The code we used to set
STRIP was last mentioned in the automake 1.5 manual. Since automake 1.6
(Mar 2002), strip is discovered automatically when necessary (look for
the *private* macro AM_PROG_INSTALL_STRIP in the automake manual).
This commit is contained in:
Tim Ruffing 2022-03-13 10:39:55 +01:00
parent ac83be33d0
commit 0d253d52e8
2 changed files with 6 additions and 6 deletions
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1
.gitignore vendored
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@ -46,6 +46,7 @@ coverage.*.html
src/libsecp256k1-config.h src/libsecp256k1-config.h
src/libsecp256k1-config.h.in src/libsecp256k1-config.h.in
build-aux/ar-lib
build-aux/config.guess build-aux/config.guess
build-aux/config.sub build-aux/config.sub
build-aux/depcomp build-aux/depcomp

11
configure.ac
View File

@ -25,24 +25,23 @@ AC_CANONICAL_HOST
AH_TOP([#ifndef LIBSECP256K1_CONFIG_H]) AH_TOP([#ifndef LIBSECP256K1_CONFIG_H])
AH_TOP([#define LIBSECP256K1_CONFIG_H]) AH_TOP([#define LIBSECP256K1_CONFIG_H])
AH_BOTTOM([#endif /*LIBSECP256K1_CONFIG_H*/]) AH_BOTTOM([#endif /*LIBSECP256K1_CONFIG_H*/])
AM_INIT_AUTOMAKE([foreign subdir-objects])
LT_INIT([win32-dll]) # Require Automake 1.11.2 for AM_PROG_AR
AM_INIT_AUTOMAKE([1.11.2 foreign subdir-objects])
# Make the compilation flags quiet unless V=1 is used. # Make the compilation flags quiet unless V=1 is used.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
PKG_PROG_PKG_CONFIG PKG_PROG_PKG_CONFIG
AC_PATH_TOOL(AR, ar)
AC_PATH_TOOL(RANLIB, ranlib)
AC_PATH_TOOL(STRIP, strip)
AC_PROG_CC AC_PROG_CC
if test x"$ac_cv_prog_cc_c89" = x"no"; then if test x"$ac_cv_prog_cc_c89" = x"no"; then
AC_MSG_ERROR([c89 compiler support required]) AC_MSG_ERROR([c89 compiler support required])
fi fi
AM_PROG_AS AM_PROG_AS
AM_PROG_AR
LT_INIT([win32-dll])
build_windows=no build_windows=no