Merge #17066: build: Remove workaround for ancient libtool

30fc1a3f5470cb347eb4aed281242f120510466f build: Remove workaround for ancient libtool (Hennadii Stepanov)
6ca01b9a104ebadbe7e180cb2b9d390f7c09b4ab build: Ensure a minimal version of libtool (Hennadii Stepanov)

Pull request description:

  Since libtool 1.5.2, on Linux libtool no longer sets RPATH for any directories in the dynamic linker search path, so there is no longer an issue.

  This commit reverts a98356fee8a44d7d1cb37f22c876fff8f244365e.

  Refs:
  - https://wiki.debian.org/RpathIssue
  - [Debian jessie has libtool 2.4.2](https://packages.debian.org/jessie/libtool)

ACKs for top commit:
  laanwj:
    ACK 30fc1a3f5470cb347eb4aed281242f120510466f

Tree-SHA512: fab56265d4d2c96216a353cc076c6f510e15748d8134f97bae2f67b6d8c0b6a1a9f362d2ab23b19ccc3a8bba8eac3bb1668fc3e42037590f63a7ab4819c9ee15

1 files changed, 4 insertions, 11 deletions

diff --git a/configure.ac b/configure.ac
index 8af9a986d2..d25e0f4496 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,6 +76,10 @@ fi
 AC_PROG_OBJCXX
 ])
 
+dnl Since libtool 1.5.2 (released 2004-01-25), on Linux libtool no longer
+dnl sets RPATH for any directories in the dynamic linker search path.
+dnl See more: https://wiki.debian.org/RpathIssue
+LT_PREREQ([1.5.2])
 dnl Libtool init checks.
 LT_INIT([pic-only])
 
@@ -1660,17 +1664,6 @@ AC_CONFIG_SUBDIRS([src/secp256k1])
 
 AC_OUTPUT
 
-dnl Taken from https://wiki.debian.org/RpathIssue
-case $host in
-   *-*-linux-gnu)
-     AC_MSG_RESULT([Fixing libtool for -rpath problems.])
-     sed < libtool > libtool-2 \
-     's/^hardcode_libdir_flag_spec.*$'/'hardcode_libdir_flag_spec=" -D__LIBTOOL_IS_A_FOOL__ "/'
-     mv libtool-2 libtool
-     chmod 755 libtool
-   ;;
-esac
-
 dnl Replace the BUILDDIR path with the correct Windows path if compiling on Native Windows
 case ${OS} in
    *Windows*)