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Looks good to me! With the note that we also use this Can't comment on |
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Found this commit from 2020 that fixes the referenced curl commit above from 2012: It seems to be something that will hit libssh2 too for static-only builds, after merging the first patch. @haampie What do you think? Untested attempt to adapt that patch for libssh2: diff --git a/configure.ac b/configure.ac
index b5a5791e..be7dd717 100644
--- a/configure.ac
+++ b/configure.ac
@@ -392,6 +392,14 @@ fi
LIBS="${LIBS} ${LTLIBZ}"
+dnl merge the pkg-config Libs.private field into Libs when static-only
+if test "x$enable_shared" = "xno"; then
+ LIBS_NO_SHARED=$LIBS
+else
+ LIBS_NO_SHARED=
+fi
+AC_SUBST(LIBS_NO_SHARED)
+
AC_CONFIG_FILES([Makefile
src/Makefile
tests/Makefile
diff --git a/libssh2.pc.in b/libssh2.pc.in
index 9cbebb7f..61b93efe 100644
--- a/libssh2.pc.in
+++ b/libssh2.pc.in
@@ -15,6 +15,6 @@ URL: https://www.libssh2.org/
Description: Library for SSH-based communication
Version: @LIBSSH2VER@
Requires.private: @LIBSREQUIRED@
-Libs: -L${libdir} -lssh2
+Libs: -L${libdir} -lssh2 @LIBS_NO_SHARED@
Libs.private: @LIBS@
Cflags: -I${includedir}
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8638ac41..11caa5de 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -189,6 +189,12 @@ endif()
set(LIBSSH2VER ${LIBSSH2_VERSION})
set(LIBSREQUIRED ${PC_REQUIRES_PRIVATE})
set(LIBS ${PC_LIBS})
+# merge the pkg-config Libs.private field into Libs when static-only
+if(BUILD_SHARED_LIBS)
+ set(LIBS_NO_SHARED "")
+else()
+ set(LIBS_NO_SHARED "${PC_LIBS}")
+endif()
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\${prefix}")
set(libdir "\${prefix}/${CMAKE_INSTALL_LIBDIR}") |
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Follow-up to 1209c16 libssh2#1114 Ref: curl/curl@98e5904 Closes #xxxx
vszakats
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Follow-up to 1209c16 libssh2#1114 Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes #xxxx
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Quoting the curl commit message (adapted for libssh2): "A project being built entirely statically will call pkg-config with `--static`, which utilises the `Libs.private` field. Conversely it will not use `--static` when not being built entirely statically, even if there is only a static build of libssh2 available. This will most likely cause the build to fail due to underlinking unless we merge the `Libs` fields. Consider that this is what the Meson build system does when it generates pkg-config files." Follow-up to 1209c16 libssh2#1114 Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes libssh2#1119
vszakats
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Quoting the curl commit message (adapted for libssh2): "A project being built entirely statically will call pkg-config with `--static`, which utilises the `Libs.private` field. Conversely it will not use `--static` when not being built entirely statically, even if there is only a static build of libssh2 available. This will most likely cause the build to fail due to underlinking unless we merge the `Libs` fields. Consider that this is what the Meson build system does when it generates pkg-config files." Follow-up to 1209c16 libssh2#1114 Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes libssh2#1119
vszakats
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Jul 15, 2023
Quoting the curl commit message (adapted for libssh2): "A project being built entirely statically will call pkg-config with `--static`, which utilises the `Libs.private` field. Conversely it will not use `--static` when not being built entirely statically, even if there is only a static build of libssh2 available. This will most likely cause the build to fail due to underlinking unless we merge the `Libs` fields. Consider that this is what the Meson build system does when it generates pkg-config files." Follow-up to 1209c16 libssh2#1114 Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes libssh2#1119
vszakats
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Jul 18, 2023
Adapted for libssh2 from the curl commit message by James Le Cuirot: "A project built entirely statically will call `pkg-config` with `--static`, which utilises the `Libs.private:` field. Conversely it will not use `--static` when not being built entirely statically, even if there is only a static build of libssh2 available. This will most likely cause the build to fail due to underlinking unless we merge the `Libs:` fields. Consider that this is what the Meson build system does when it generates `pkg-config` files." This patch extends the above to `Requires:`, to mirror `Libs:` with `pkg-config` package names. Follow-up to 1209c16 #1114 Ref: #1114 (comment) Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes #1119
lampmanyao
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Sep 3, 2023
Adapted for libssh2 from the curl commit message by James Le Cuirot: "A project built entirely statically will call `pkg-config` with `--static`, which utilises the `Libs.private:` field. Conversely it will not use `--static` when not being built entirely statically, even if there is only a static build of libssh2 available. This will most likely cause the build to fail due to underlinking unless we merge the `Libs:` fields. Consider that this is what the Meson build system does when it generates `pkg-config` files." This patch extends the above to `Requires:`, to mirror `Libs:` with `pkg-config` package names. Follow-up to 1209c16 libssh2#1114 Ref: libssh2#1114 (comment) Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes libssh2#1119
agreppin
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Jul 14, 2024
Adapted for libssh2 from the curl commit message by James Le Cuirot: "A project built entirely statically will call `pkg-config` with `--static`, which utilises the `Libs.private:` field. Conversely it will not use `--static` when not being built entirely statically, even if there is only a static build of libssh2 available. This will most likely cause the build to fail due to underlinking unless we merge the `Libs:` fields. Consider that this is what the Meson build system does when it generates `pkg-config` files." This patch extends the above to `Requires:`, to mirror `Libs:` with `pkg-config` package names. Follow-up to 1209c16 libssh2#1114 Ref: libssh2#1114 (comment) Ref: curl/curl@98e5904 Ref: curl/curl#5373 Closes libssh2#1119
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Not an autotools expert, but
LIBScontainslibssh2's own dependencies, so when doing shared linking, it makes no sense to put them underLibs: ...in the pkg-config file.Libs.privateis what you want to use for that, since during static linking you do have to provide transitive deps.What's not fixed in this PR: adding the
-Lsearch dirs when doing static linking. Apparently when openssl has its libraries in<prefix>/lib64, no-L<prefix>/lib64is added. But when it's in<prefix>/lib, it is? I guess this is a matter of custom logic in libssh2's autotools stuff, whereLIBS = -L... -lsslis used for thelibcheck (custom?), whileLDFLAGS = -L...andLIBS = -lsslis used for thelib64check (autotools internals?)